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Building the model…
Funnels with the exact spout you need.
Make a funnel whose spout fits your bottle, tank or jar. Set the mouth, the spout width and both lengths.
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Any hole, any outside diameter, any height.

Grip knobs with a pocket for an M3 to M10 nut or bolt head.

Reducers between any two diameters.

Hooks sized to your rail, branch or shelf.

Clip-in combs that keep charging cables in place.

Find the clearance your printer needs for parts that fit.

Scoops for an exact number of millilitres.

Two-leaf hinges in any width, with screw holes and a pin.