Duct pipe reducer
- Forge engine (B-rep, STL / OBJ / STEP-ready)
- Automatic QC 10/10
- Published Oct 3, 2026
Make it yours
Build this runs the exact brief below and gives you the STL / OBJ in about a minute. Change it opens the generator with the brief in the box so you can edit a dimension first. Free, no account.
The prompt
2mm thick duct pipe reducer, 65mm opening from one side, 50mm long reduced to 125mm other side. from both sides a neck 30mm
This is the one-paragraph brief the generator built from: dimensions in millimetres, features named, nothing else. Writing yours the same way is the quickest route to a first-time build — see the prompt contract.
More from the gallery
Hollow box with M3 pilot holes
200 mm wide 40 mm deep 40 mm high deep hollow box with closed top and rounded corners. 5 mm corner radius. hollow on bottom. 5 mm wall. m3 pilot holes on all 4 corners. 5 mm recessed lip on bottom.
Mechanical arm link
Elongated rectangular link, 173mm long, 38.1mm wide, 10.2mm thick, with rounded ends, two 12.7mm holes 152.4mm apart, and 2mm fillets on external edges.
Enclosure base with standoffs
96x68x26mm open-top enclosure with 2.4mm walls, 12.5mm holes in left and right walls, and four 6.5mm standoffs with 2.5mm screw holes on the bottom
Base plate with slots
Flat plate 130x90x3mm with R5mm corners, 4x Ø3.2mm holes, 2x 3x15mm slots, 1x 10x5mm cable-pass slot with R2.5mm ends
Upper arm plate
Flat 2D plate, 50x22x3mm, R11 rounded ends, with two 3.4mm holes at (11,11)mm and (40,11)mm
Gripper mount plate
Flat plate, 26x22mm, 3mm thick, with holes: 1x Ø3.4mm, 2x Ø2.0mm, 3x Ø3.2mm