Fusion360 and SketchUp computer aided design (CAD) software was used for designing the MAs and designs were exported to an object file (.stl) using 3D Sprint (3D Systems, Inc., Rock Hill, SC, USA). The print resolution is highest in the z direction which is 0.02 mm. MA holders were 3D printed using a commercially available ProJet MJP 2500 printer (3D Systems, Inc.) using a VisiJet® M2R-CLR build material and a VisiJet® M2 SUP support material, both from 3D Systems. After printing, the MA holders were placed at −20 °C for 5 min to release the printed holders from the base plate. MA holders were then placed in a steam bath for 15 min to remove the wax support material and subsequently placed in a hot oil bath for another 15 min to remove all traces of the wax support. MA holders were then cleaned using hot tap water and soap and left at room temperature to dry.
3d sprint
Manufactured by 3D Systems
Sourced in United States
3D Sprint is a software solution designed for additive manufacturing workflows. It offers tools and capabilities to prepare, optimize, and control 3D print jobs. The software supports a variety of 3D printing technologies and materials.
Automatically generated - may contain errors
4 protocols using 3d sprint
1
3D Printing of Microarray Holders
2
Customizable Dosage Delivery for Pediatric Patients
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The computer-aided design software 3D Sprint (3D systems, USA) was used to create colorful cartoon models with different appearances for children, such as a heart, candy, cartoon, etc. (Fig. 1 ), which would be more convenient for children to take. Based on the flexibility and accuracy of the 3D printing technology, the tablet strengths (adjusted by the tablet size) and internal spatial structures (e.g., solid structure, hollow structure, hollow structure with internal support, lattice structure, etc.) can be adjusted to achieve a specific dosage and release behavior. Furthermore, the shape and color of the tablets can be changed according to the preferences of children.Fig 1 ![]()
Schematic illustration of the colorful cartoon models, which can be changed according to preferences of children to improve their medication compliance. (A): Rabbit; (B): Bear; (C): Heart; (D): Candy.
3
Additive Manufacturing of Mandible Prosthesis
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The SLA printer was an industrial-grade ProX800 (3D Systems, Rock Hill, SC, USA) offering a build envelope capacity of 650 × 750 × 550 mm, minimum layer thickness of 0.03 mm and XY accuracy of 0.001 mm. The material used for printing was Accura ABS White (SL 7810, 3D Systems), a rigid and tough acrylonitrile butadiene styrene (ABS) plastic-like resin. The prepared STL was imported to a software (3D Sprint, 3D Systems) for optimizing the printing parameters and a layer resolution of 0.025 was selected. The resin was cured by an ultraviolet (UV) laser though vat photopolymerization process and the printer used top-down configuration i.e. according to gravity for construction of each individual layer till the mandible was printed. The topdown architecture allowed fast printing as no separation of the print from build plate was required following each layer deposition. Support structures were removed manually using a putty knife. The postprocessing involved tripropylene glycol methyl ether and isopropyl alcohol (IPA) bath, and hand-rinsing with brush and IPA. Compressed air was used to blow dry the model from inside. Thereafter, the model was placed into ProCure 750 (3D Systems) for the final curing. Sand paper was used to smoothen out the model (Fig. 1A).
4
Gypsum-based 3D Printing Protocol
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The CJ printer included ProJet CJP 660Pro (3D Systems, Rock Hill, SC, USA) with a build volume of 254 × 381 × 203 mm, minimum layer thickness of 0.1 mm and XY accuracy of 0.1 mm. The chosen material was Visijet PXL core (3D Systems) which was a gypsum-like composite powder and according to the manufacturer the material was composed of 80-90 % calcium sulfate hemihydrate. The binder used for binding the material was VisiJet PXL Clear (ZB63, 3D Systems). The digital slicing program consisted of 3D Sprint (3D Systems) without any support structures as the powder supported the material during the printing process and a layer resolution of 0.1 was selected. The printer applied binder jetting technology and functioned by layer-by-layer printing process and spreading of the powder material layers on the platform. Followed by deposition of binding agent for bonding the material through inkjet nozzle. The build platform moved downwards following binding of each layer till the model was printed. At post-processing unbounded core material was removed using a soft air brush, blow air and model was bathed in acrylate sulfate bath (Fig. 1D).
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