3D Printing

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HackRVA has four 3D printers in residence: a Prusa i3 MK3, Prusa i3 MK3S+, Ultimaker 3 and a Form 1+. The Form 1+ is a resin type 3d printer that uses a liquid photopolymer that is selectively hardened by a UV laser on the bottom of a clear tank. The makerspace usually has a selection of generic filament for occasional use. Members should provide their own filament if they are printing a large project or require a specific type.


Here’s a short comparison of the four printers:

Prusa i3 MK3 Prusa i3 MK3S+ Ultimaker 3 Form 1+
Prusai3mk2s small.jpg MK3s+.png Ultimaker.png Form 1 plus.jpg
Number of Print Heads 1 1 2 1
Build Platform Envelope 250 x 210 x 200 mm 250 x 210 x 210 mm 215 x 215 x 200 mm Single
197 x 215 x 200 mm Dual
165 x 124 x 124 mm
Heated Build Platform Yes (Max 120°C) Yes (Max 120°C) Yes (20°C to 100°C) no
Filament Normally Loaded 1.75mm PLA, ABS, PETG 1.75mm PLA, ABS, PETG 2.85mm PLA, ABS, PETG Photopolymer Resin
Nozzle Diameter 0.40mm 0.40mm 0.40 mm, 0.80 mm 405 nm
Build Speed up to 15 mmᶟ/s up to 24 mmᶟ/s 1-3 cm/hr
Resolution 50 microns 20 microns 25 microns
Typical Print Layer Thickness 0.05 - 0.3 mm 0.05 - 0.35 mm 25 - 100 μm 
Printing Temperature Max 300°C Max 300°C 180–280°C 18–28°C
Web Site Prusa i3 MK3 Prusa i3 MK3S+ Ultimaker 3 Form 1+
User Manual Manual Manual Manual Support
Hack.RVA Wiki Ultimaker 3 Form 1+
Firmware Version 3.11.0 3.11.0 5.3.0.0 N/A
Serial No. CZPX2817X003XK26782 BPP-003840-027155 Sassy Leveret
Software PrusaSlicer PrusaSlicer Cura Pre Form 2.20