Solid Sliceform Heart

Folds flat!

I started graphing this heart two years ago and just got around to finishing it!

How to construct a solid sliceform valentine heart

Download and cut files PDF or DXF1 and DXF2 or SVG1 and SVG2

The pieces are numbered from the center out: A1 and B1 are the center and A4 and B4 are the small, outside pieces.

In my sample the A pieces are pink and the B pieces are red.

Start slotting the pieces together in the center, with A1 and B1.

A1 and B1 form a cross at the center of the heart.

Move the little hook barely out of the way as you slide the pieces together, and then back. This keeps the pieces from sliding apart again! (I added the hooks after I made my sample. They should work fine, but please let me know if they don't and I'll make a new prototype and fix the files).

The rest of the pieces are added in pairs.

Slide the center slots of the A2 pieces into B1, each one on the next empty slot out from the center.

If you look at the heart from the top you have three A pieces running across, and B1 from front to back.

Slide the B2 pieces on: center slots of B2s to next available slots of A1 and onto the second slots of A2s. Top view shows the A2 and B2 pieces forming a square.

Add the A3 pieces, center slots of A3s to the third slots of B1, also slotted into B2s.

Add the B3 pieces, center slots of B3s to the third slots of A1 and slotted to the A2 and A3 pieces.

Finally, add the A4 and then the B4 pieces. I find it easiest to put the center on first and then the side slots.

Add a thread through the hole in B1 and hang.

To use as a card, you can hang the heart from a stand. Tutorial in this post.

(Shown with an open work heart designed by Rich of Creative Pop Ups.)

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