Flat-Pack Christmas Star

Assemble flat pieces into a dimensional star, then take it apart for storage.

One solid body, no colors. Works with every slicer.

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About this generator

Flat pieces, a dimensional star. Two pieces cross like a paper star; with three, the third slides down over the cross and rests on it with its cap. It is a slot-together (insert) model, not a folding one: there are no hinges to break. A cord through the top of piece A holds the star together when it hangs.

How to use

Choose two or three pieces, the number of points and the diameter.
Download the print layout: the pieces lie flat next to each other, about 200 mm square at the default diameter. On a smaller bed, move a piece (each is a part of its own) to a second plate in your slicer.
Hold piece A with its slot pointing up. Slide piece B, slot pointing down, from above onto piece A until the centres meet.
With three pieces, slide piece C down over the cross from above until its cap rests on the tip of B.
Thread a cord through the two holes in the top of piece A (with three pieces also through the loop in C's cap), over the tip of B, and tie it. Hang the star by this cord: it carries piece A, and the other pieces rest on A.

Printing tips

The slot width follows the piece thickness and the angle between the pieces. If pieces won't go in, raise Slot clearance a little.
Shiny gold, silver or glitter filament makes the star catch the light.

Helpful guides

Frequently asked questions

Why does piece C look cut in two?

Two pieces already fill the centre line, so the third can only pass with a slot along its whole height. Its two halves are joined by the cap above the tip, which also holds the hanging loop.

Is this a folding star?

No. It is a slot-together star: the pieces lock into each other and come apart again, without hinges.

Why hang it by piece A?

Piece A has its slot open at the top. Hanging from A, piece B rests on the bottom of that slot and piece C rests on B, so the weight presses every piece into its joint. Hung from another piece, A could slide out downwards.