Table of Contents 1 Report Overview 1.1 Study Scope 1.2 Key Market Segments 1.3 Players Covered: Ranking by Software for 3D Printers Revenue 1.4 Market Analysis by Type 1.4.1 Global Software for 3D Printers Market Size Growth Rate by Type: 2020 VS 2026 1.4.2 3D Designing Software 1.4.3 Data Preparation Software 1.4.4 Simulation Software 1.4.5 Machine Control Software 1.4.6 Other 1.5 Market by Application 1.5.1 Global Software for 3D Printers Market Share by Application: 2020 VS 2026 1.5.2 Commercial 1.5.3 Office 1.5.4 Personal 1.6 Study Objectives 1.7 Years Considered 2 Global Growth Trends by Regions 2.1 Software for 3D Printers Market Perspective (2015-2026) 2.2 Software for 3D Printers Growth Trends by Regions 2.2.1 Software for 3D Printers Market Size by Regions: 2015 VS 2020 VS 2026 2.2.2 Software for 3D Printers Historic Market Share by Regions (2015-2020) 2.2.3 Software for 3D Printers Forecasted Market Size by Regions (2021-2026) 2.3 Industry Trends and Growth Strategy 2.3.1 Market Top Trends 2.3.2 Market Drivers 2.3.3 Market Challenges 2.3.4 Porter’s Five Forces Analysis 2.3.5 Software for 3D Printers Market Growth Strategy 2.3.6 Primary Interviews with Key Software for 3D Printers Players (Opinion Leaders) 3 Competition Landscape by Key Players 3.1 Global Top Software for 3D Printers Players by Market Size 3.1.1 Global Top Software for 3D Printers Players by Revenue (2015-2020) 3.1.2 Global Software for 3D Printers Revenue Market Share by Players (2015-2020) 3.1.3 Global Software for 3D Printers Market Share by Company Type (Tier 1, Tier 2 and Tier 3) 3.2 Global Software for 3D Printers Market Concentration Ratio 3.2.1 Global Software for 3D Printers Market Concentration Ratio (CR5 and HHI) 3.2.2 Global Top 10 and Top 5 Companies by Software for 3D Printers Revenue in 2019 3.3 Software for 3D Printers Key Players Head office and Area Served 3.4 Key Players Software for 3D Printers Product Solution and Service 3.5 Date of Enter into Software for 3D Printers Market 3.6 Mergers & Acquisitions, Expansion Plans 4 Breakdown Data by Type (2015-2026) 4.1 Global Software for 3D Printers Historic Market Size by Type (2015-2020) 4.2 Global Software for 3D Printers Forecasted Market Size by Type (2021-2026) 5 Software for 3D Printers Breakdown Data by Application (2015-2026) 5.1 Global Software for 3D Printers Market Size by Application (2015-2020) 5.2 Global Software for 3D Printers Forecasted Market Size by Application (2021-2026) 6 North America 6.1 North America Software for 3D Printers Market Size (2015-2020) 6.2 Software for 3D Printers Key Players in North America (2019-2020) 6.3 North America Software for 3D Printers Market Size by Type (2015-2020) 6.4 North America Software for 3D Printers Market Size by Application (2015-2020) 7 Europe 7.1 Europe Software for 3D Printers Market Size (2015-2020) 7.2 Software for 3D Printers Key Players in Europe (2019-2020) 7.3 Europe Software for 3D Printers Market Size by Type (2015-2020) 7.4 Europe Software for 3D Printers Market Size by Application (2015-2020) 8 China 8.1 China Software for 3D Printers Market Size (2015-2020) 8.2 Software for 3D Printers Key Players in China (2019-2020) 8.3 China Software for 3D Printers Market Size by Type (2015-2020) 8.4 China Software for 3D Printers Market Size by Application (2015-2020) 9 Japan 9.1 Japan Software for 3D Printers Market Size (2015-2020) 9.2 Software for 3D Printers Key Players in Japan (2019-2020) 9.3 Japan Software for 3D Printers Market Size by Type (2015-2020) 9.4 Japan Software for 3D Printers Market Size by Application (2015-2020) 10Key Players Profiles 10.1 Zbrush 10.1.1 Zbrush Company Details 10.1.2 Zbrush Business Overview and Its Total Revenue 10.1.3 Zbrush Software for 3D Printers Introduction 10.1.4 Zbrush Revenue in Software for 3D Printers Business (2015-2020)) 10.1.5 Zbrush Recent Development 10.2 Maxon 10.2.1 Maxon Company Details 10.2.2 Maxon Business Overview and Its Total Revenue 10.2.3 Maxon Software for 3D Printers Introduction 10.2.4 Maxon Revenue in Software for 3D Printers Business (2015-2020) 10.2.5 Maxon Recent Development 10.3 3D Systems 10.3.1 3D Systems Company Details 10.3.2 3D Systems Business Overview and Its Total Revenue 10.3.3 3D Systems Software for 3D Printers Introduction 10.3.4 3D Systems Revenue in Software for 3D Printers Business (2015-2020) 10.3.5 3D Systems Recent Development 10.4 Materialise 10.4.1 Materialise Company Details 10.4.2 Materialise Business Overview and Its Total Revenue 10.4.3 Materialise Software for 3D Printers Introduction 10.4.4 Materialise Revenue in Software for 3D Printers Business (2015-2020) 10.4.5 Materialise Recent Development 10.5 Stratasys 10.5.1 Stratasys Company Details 10.5.2 Stratasys Business Overview and Its Total Revenue 10.5.3 Stratasys Software for 3D Printers Introduction 10.5.4 Stratasys Revenue in Software for 3D Printers Business (2015-2020) 10.5.5 Stratasys Recent Development 10.6 EOS 10.6.1 EOS Company Details 10.6.2 EOS Business Overview and Its Total Revenue 10.6.3 EOS Software for 3D Printers Introduction 10.6.4 EOS Revenue in Software for 3D Printers Business (2015-2020) 10.6.5 EOS Recent Development 10.7 Autodesk 10.7.1 Autodesk Company Details 10.7.2 Autodesk Business Overview and Its Total Revenue 10.7.3 Autodesk Software for 3D Printers Introduction 10.7.4 Autodesk Revenue in Software for 3D Printers Business (2015-2020) 10.7.5 Autodesk Recent Development 10.8 Sylvain Huet 10.8.1 Sylvain Huet Company Details 10.8.2 Sylvain Huet Business Overview and Its Total Revenue 10.8.3 Sylvain Huet Software for 3D Printers Introduction 10.8.4 Sylvain Huet Revenue in Software for 3D Printers Business (2015-2020) 10.8.5 Sylvain Huet Recent Development 10.9 Tinkercad 10.9.1 Tinkercad Company Details 10.9.2 Tinkercad Business Overview and Its Total Revenue 10.9.3 Tinkercad Software for 3D Printers Introduction 10.9.4 Tinkercad Revenue in Software for 3D Printers Business (2015-2020) 10.9.5 Tinkercad Recent Development 10.10 Ultimaker 10.10.1 Ultimaker Company Details 10.10.2 Ultimaker Business Overview and Its Total Revenue 10.10.3 Ultimaker Software for 3D Printers Introduction 10.10.4 Ultimaker Revenue in Software for 3D Printers Business (2015-2020) 10.10.5 Ultimaker Recent Development 10.11 Dassault Systemes 10.11.1 Dassault Systemes Company Details 10.11.2 Dassault Systemes Business Overview and Its Total Revenue 10.11.3 Dassault Systemes Software for 3D Printers Introduction 10.11.4 Dassault Systemes Revenue in Software for 3D Printers Business (2015-2020) 10.11.5 Dassault Systemes Recent Development 10.12 Siemens 10.12.1 Siemens Company Details 10.12.2 Siemens Business Overview and Its Total Revenue 10.12.3 Siemens Software for 3D Printers Introduction 10.12.4 Siemens Revenue in Software for 3D Printers Business (2015-2020) 10.12.5 Siemens Recent Development 10.13 Prodways Group 10.13.1 Prodways Group Company Details 10.13.2 Prodways Group Business Overview and Its Total Revenue 10.13.3 Prodways Group Software for 3D Printers Introduction 10.13.4 Prodways Group Revenue in Software for 3D Printers Business (2015-2020) 10.13.5 Prodways Group Recent Development 10.14 Voxeljet 10.14.1 Voxeljet Company Details 10.14.2 Voxeljet Business Overview and Its Total Revenue 10.14.3 Voxeljet Software for 3D Printers Introduction 10.14.4 Voxeljet Revenue in Software for 3D Printers Business (2015-2020) 10.14.5 Voxeljet Recent Development 10.15 ExOne 10.15.1 ExOne Company Details 10.15.2 ExOne Business Overview and Its Total Revenue 10.15.3 ExOne Software for 3D Printers Introduction 10.15.4 ExOne Revenue in Software for 3D Printers Business (2015-2020) 10.15.5 ExOne Recent Development 10.16 Protolabs 10.16.1 Protolabs Company Details 10.16.2 Protolabs Business Overview and Its Total Revenue 10.16.3 Protolabs Software for 3D Printers Introduction 10.16.4 Protolabs Revenue in Software for 3D Printers Business (2015-2020) 10.16.5 Protolabs Recent Development 10.17 PTC 10.17.1 PTC Company Details 10.17.2 PTC Business Overview and Its Total Revenue 10.17.3 PTC Software for 3D Printers Introduction 10.17.4 PTC Revenue in Software for 3D Printers Business (2015-2020) 10.17.5 PTC Recent Development 10.18 Hot-world GmbH & Co. KG 10.18.1 Hot-world GmbH & Co. KG Company Details 10.18.2 Hot-world GmbH & Co. KG Business Overview and Its Total Revenue 10.18.3 Hot-world GmbH & Co. KG Software for 3D Printers Introduction 10.18.4 Hot-world GmbH & Co. KG Revenue in Software for 3D Printers Business (2015-2020) 10.18.5 Hot-world GmbH & Co. KG Recent Development 10.19 Zortrax 10.19.1 Zortrax Company Details 10.19.2 Zortrax Business Overview and Its Total Revenue 10.19.3 Zortrax Software for 3D Printers Introduction 10.19.4 Zortrax Revenue in Software for 3D Printers Business (2015-2020) 10.19.5 Zortrax Recent Development 11Analyst's Viewpoints/Conclusions 12Appendix 12.1 Research Methodology 12.1.1 Methodology/Research Approach 12.1.2 Data Source 12.2 Disclaimer 12.3 Author Details

List of Tables Table 1. Software for 3D Printers Key Market Segments Table 2. Key Players Covered: Ranking by Software for 3D Printers Revenue Table 3. Ranking of Global Top Software for 3D Printers Manufacturers by Revenue (US$ Million) in 2019 Table 4. Global Software for 3D Printers Market Size Growth Rate by Type (US$ Million): 2020 VS 2026 Table 5. Key Players of 3D Designing Software Table 6. Key Players of Data Preparation Software Table 7. Key Players of Simulation Software Table 8. Key Players of Machine Control Software Table 9. Key Players of Other Table 10. Global Software for 3D Printers Market Size Growth by Application (US$ Million): 2020 VS 2026 Table 11. Global Software for 3D Printers Market Size by Regions (US$ Million): 2020 VS 2026 Table 12. Global Software for 3D Printers Market Size by Regions (2015-2020) (US$ Million) Table 13. Global Software for 3D Printers Market Share by Regions (2015-2020) Table 14. Global Software for 3D Printers Forecasted Market Size by Regions (2021-2026) (US$ Million) Table 15. Global Software for 3D Printers Market Share by Regions (2021-2026) Table 16. Market Top Trends Table 17. Key Drivers: Impact Analysis Table 18. Key Challenges Table 19. Software for 3D Printers Market Growth Strategy Table 20. Main Points Interviewed from Key Software for 3D Printers Players Table 21. Global Software for 3D Printers Revenue by Players (2015-2020) (Million US$) Table 22. Global Software for 3D Printers Market Share by Players (2015-2020) Table 23. Global Top Software for 3D Printers Players by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Software for 3D Printers as of 2019) Table 24. Global Software for 3D Printers by Players Market Concentration Ratio (CR5 and HHI) Table 25. Key Players Headquarters and Area Served Table 26. Key Players Software for 3D Printers Product Solution and Service Table 27. Date of Enter into Software for 3D Printers Market Table 28. Mergers & Acquisitions, Expansion Plans Table 29. Global Software for 3D Printers Market Size by Type (2015-2020) (Million US$) Table 30. Global Software for 3D Printers Market Size Share by Type (2015-2020) Table 31. Global Software for 3D Printers Revenue Market Share by Type (2021-2026) Table 32. Global Software for 3D Printers Market Size Share by Application (2015-2020) Table 33. Global Software for 3D Printers Market Size by Application (2015-2020) (Million US$) Table 34. Global Software for 3D Printers Market Size Share by Application (2021-2026) Table 35. North America Key Players Software for 3D Printers Revenue (2019-2020) (Million US$) Table 36. North America Key Players Software for 3D Printers Market Share (2019-2020) Table 37. North America Software for 3D Printers Market Size by Type (2015-2020) (Million US$) Table 38. North America Software for 3D Printers Market Share by Type (2015-2020) Table 39. North America Software for 3D Printers Market Size by Application (2015-2020) (Million US$) Table 40. North America Software for 3D Printers Market Share by Application (2015-2020) Table 41. Europe Key Players Software for 3D Printers Revenue (2019-2020) (Million US$) Table 42. Europe Key Players Software for 3D Printers Market Share (2019-2020) Table 43. Europe Software for 3D Printers Market Size by Type (2015-2020) (Million US$) Table 44. Europe Software for 3D Printers Market Share by Type (2015-2020) Table 45. Europe Software for 3D Printers Market Size by Application (2015-2020) (Million US$) Table 46. Europe Software for 3D Printers Market Share by Application (2015-2020) Table 47. China Key Players Software for 3D Printers Revenue (2019-2020) (Million US$) Table 48. China Key Players Software for 3D Printers Market Share (2019-2020) Table 49. China Software for 3D Printers Market Size by Type (2015-2020) (Million US$) Table 50. China Software for 3D Printers Market Share by Type (2015-2020) Table 51. China Software for 3D Printers Market Size by Application (2015-2020) (Million US$) Table 52. China Software for 3D Printers Market Share by Application (2015-2020) Table 53. Japan Key Players Software for 3D Printers Revenue (2019-2020) (Million US$) Table 54. Japan Key Players Software for 3D Printers Market Share (2019-2020) Table 55. Japan Software for 3D Printers Market Size by Type (2015-2020) (Million US$) Table 56. Japan Software for 3D Printers Market Share by Type (2015-2020) Table 57. Japan Software for 3D Printers Market Size by Application (2015-2020) (Million US$) Table 58. Japan Software for 3D Printers Market Share by Application (2015-2020) Table 59. Zbrush Company Details Table 60. Zbrush Business Overview Table 61. Zbrush Product Table 62. Zbrush Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 63. Zbrush Recent Development Table 64. Maxon Company Details Table 65. Maxon Business Overview Table 66. Maxon Product Table 67. Maxon Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 68. Maxon Recent Development Table 69. 3D Systems Company Details Table 70. 3D Systems Business Overview Table 71. 3D Systems Product Table 72. 3D Systems Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 73. 3D Systems Recent Development Table 74. Materialise Company Details Table 75. Materialise Business Overview Table 76. Materialise Product Table 77. Materialise Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 78. Materialise Recent Development Table 79. Stratasys Company Details Table 80. Stratasys Business Overview Table 81. Stratasys Product Table 82. Stratasys Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 83. Stratasys Recent Development Table 84. EOS Company Details Table 85. EOS Business Overview Table 86. EOS Product Table 87. EOS Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 88. EOS Recent Development Table 89. Autodesk Company Details Table 90. Autodesk Business Overview Table 91. Autodesk Product Table 92. Autodesk Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 93. Autodesk Recent Development Table 94. Sylvain Huet Business Overview Table 95. Sylvain Huet Product Table 96. Sylvain Huet Company Details Table 97. Sylvain Huet Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 98. Sylvain Huet Recent Development Table 99. Tinkercad Company Details Table 100. Tinkercad Business Overview Table 101. Tinkercad Product Table 102. Tinkercad Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 103. Tinkercad Recent Development Table 104. Ultimaker Company Details Table 105. Ultimaker Business Overview Table 106. Ultimaker Product Table 107. Ultimaker Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 108. Ultimaker Recent Development Table 109. Dassault Systemes Company Details Table 110. Dassault Systemes Business Overview Table 111. Dassault Systemes Product Table 112. Dassault Systemes Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 113. Dassault Systemes Recent Development Table 114. Siemens Company Details Table 115. Siemens Business Overview Table 116. Siemens Product Table 117. Siemens Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 118. Siemens Recent Development Table 119. Prodways Group Company Details Table 120. Prodways Group Business Overview Table 121. Prodways Group Product Table 122. Prodways Group Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 123. Prodways Group Recent Development Table 124. Voxeljet Company Details Table 125. Voxeljet Business Overview Table 126. Voxeljet Product Table 127. Voxeljet Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 128. Voxeljet Recent Development Table 129. ExOne Company Details Table 130. ExOne Business Overview Table 131. ExOne Product Table 132. ExOne Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 133. ExOne Recent Development Table 134. Protolabs Company Details Table 135. Protolabs Business Overview Table 136. Protolabs Product Table 137. Protolabs Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 138. Protolabs Recent Development Table 139. PTC Company Details Table 140. PTC Business Overview Table 141. PTC Product Table 142. PTC Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 143. PTC Recent Development Table 144. Hot-world GmbH & Co. KG Company Details Table 145. Hot-world GmbH & Co. KG Business Overview Table 146. Hot-world GmbH & Co. KG Product Table 147. Hot-world GmbH & Co. KG Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 148. Hot-world GmbH & Co. KG Recent Development Table 149. Zortrax Company Details Table 150. Zortrax Business Overview Table 151. Zortrax Product Table 152. Zortrax Revenue in Software for 3D Printers Business (2015-2020) (Million US$) Table 153. Zortrax Recent Development Table 154. Research Programs/Design for This Report Table 155. Key Data Information from Secondary Sources Table 156. Key Data Information from Primary Sources List of Figures Figure 1. Global Software for 3D Printers Market Share by Type: 2020 VS 2026 Figure 2. 3D Designing Software Features Figure 3. Data Preparation Software Features Figure 4. Simulation Software Features Figure 5. Machine Control Software Features Figure 6. Other Features Figure 7. Global Software for 3D Printers Market Share by Application: 2020 VS 2026 Figure 8. Commercial Case Studies Figure 9. Office Case Studies Figure 10. Personal Case Studies Figure 11. Software for 3D Printers Report Years Considered Figure 12. Global Software for 3D Printers Market Size YoY Growth 2015-2026 (US$ Million) Figure 13. Global Software for 3D Printers Market Share by Regions: 2020 VS 2026 Figure 14. Global Software for 3D Printers Market Share by Regions (2021-2026) Figure 15. Porter's Five Forces Analysis Figure 16. Global Software for 3D Printers Market Share by Players in 2019 Figure 17. Global Top Software for 3D Printers Players by Company Type (Tier 1, Tier 2 and Tier 3) (based on the Revenue in Software for 3D Printers as of 2019 Figure 18. The Top 10 and 5 Players Market Share by Software for 3D Printers Revenue in 2019 Figure 19. North America Software for 3D Printers Market Size YoY Growth (2015-2020) (Million US$) Figure 20. Europe Software for 3D Printers Market Size YoY Growth (2015-2020) (Million US$) Figure 21. China Software for 3D Printers Market Size YoY Growth (2015-2020) (Million US$) Figure 22. Japan Software for 3D Printers Market Size YoY Growth (2015-2020) (Million US$) Figure 23. Zbrush Total Revenue (US$ Million): 2019 Compared with 2018 Figure 24. Zbrush Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 25. Maxon Total Revenue (US$ Million): 2019 Compared with 2018 Figure 26. Maxon Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 27. 3D Systems Total Revenue (US$ Million): 2019 Compared with 2018 Figure 28. 3D Systems Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 29. Materialise Total Revenue (US$ Million): 2019 Compared with 2018 Figure 30. Materialise Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 31. Stratasys Total Revenue (US$ Million): 2019 Compared with 2018 Figure 32. Stratasys Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 33. EOS Total Revenue (US$ Million): 2019 Compared with 2018 Figure 34. EOS Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 35. Autodesk Total Revenue (US$ Million): 2019 Compared with 2018 Figure 36. Autodesk Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 37. Sylvain Huet Total Revenue (US$ Million): 2019 Compared with 2018 Figure 38. Sylvain Huet Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 39. Tinkercad Total Revenue (US$ Million): 2019 Compared with 2018 Figure 40. Tinkercad Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 41. Ultimaker Total Revenue (US$ Million): 2019 Compared with 2018 Figure 42. Ultimaker Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 43. Dassault Systemes Total Revenue (US$ Million): 2019 Compared with 2018 Figure 44. Dassault Systemes Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 45. Siemens Total Revenue (US$ Million): 2019 Compared with 2018 Figure 46. Siemens Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 47. Prodways Group Total Revenue (US$ Million): 2019 Compared with 2018 Figure 48. Prodways Group Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 49. Voxeljet Total Revenue (US$ Million): 2019 Compared with 2018 Figure 50. Voxeljet Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 51. ExOne Total Revenue (US$ Million): 2019 Compared with 2018 Figure 52. ExOne Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 53. Protolabs Total Revenue (US$ Million): 2019 Compared with 2018 Figure 54. Protolabs Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 55. PTC Total Revenue (US$ Million): 2019 Compared with 2018 Figure 56. PTC Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 57. Hot-world GmbH & Co. KG Total Revenue (US$ Million): 2019 Compared with 2018 Figure 58. Hot-world GmbH & Co. KG Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 59. Zortrax Total Revenue (US$ Million): 2019 Compared with 2018 Figure 60. Zortrax Revenue Growth Rate in Software for 3D Printers Business (2015-2020) Figure 61. Bottom-up and Top-down Approaches for This Report Figure 62. Data Triangulation Figure 63. Key Executives Interviewed

Zbrush Maxon 3D Systems Materialise Stratasys EOS Autodesk Sylvain Huet Tinkercad Ultimaker Dassault Systemes Siemens Prodways Group Voxeljet ExOne Protolabs PTC Hot-world GmbH & Co. KG Zortrax