If you have an interlocking design, your file will consist of multiple shells that intersect each other. You can upload and order these shells as one model but be careful to choose suitable materials:
Materials suitable for printing interlocking parts
| Technology | Material |
| Selective Laser Sintering |
PA 12 (SLS) White PA-AF (Aluminum Filled) Gray PA-GF Off-White Polypropylene (PP) Off-White PA 2210 FR Off-White PA 2241 FR Off-White |
| Multi Jet Fusion |
PA 12 (MJF) Gray Ultrasint TPU 90A-01 Gray |
| Stereolithography | / |
| Fused Deposition Modeling |
ABS Black / White ABS-M30 Black / White / Blue / Dark gray / Natural / Red ABS-ESD7 Black Polycarbonate White PC-ABS Black Ultem 9085 Beige Vero White / Vero Multicolor / VeroClear Agilus 30A Translucent / Black DM_shoreA40-95 Black |
| Polyjet | / |
| Metal 3D Printing | / |
| Metal Binder Jetting | / |
| Lost Wax Casting | / |