Good morning folks! Hope we all had a good Christmas. I know this is a little late now Christmas is past us, but is toy is good for all holidays!!

What I came up with is a mechanical design for a toy/ornament that you can use and design your own themed "toys" to put on it for every holiday you can think about.

You can also ignore the way I used the belts (*rubber bands) and change the order or cross them over to create different spinning in both direction and speeds, as all the pullies are of different sizes.

I hope printing this ornament brings you joy, you can color the pieces (as my daughter did to one of the snowman), and have loads of fun playing with it.

Be gentle with the tabs when closing and opening the lid, they are thin and have a way of snapping...
I've attached two different lids in this design, in case you wanted the mechanism to be visible, or enclosed, you don't have to print them both.
You can check out the project files on onShape on this link:
https://cad.onshape.com/documents/3b93d08c5b8d4fb45ea5cf83/w/a0ec5bc3f6a6eee7abeaa98b/e/ab234d554b5312d0f1596f0a?renderMode=0&uiState=65906cb772334c18f21742c2

Most of these STLs do need supports, I will split the files into "Recommended supports" and "No need supports".

All of these were printed with PLA, 0.4 nozzle, 0.2 layer height:

No need supports:
Handle Crank.stl
Handle Pully.stl
Mini Pully.stl (print x 4).
Snow Man Pully 1.stl
Snow Man.stl
Star Base.stl
Tree Base.stl

Recommended supports:
Lower Case Open.stl
Lower Case.stl
Snow Man Pully 2.stl
Star.stl
Tree.stl
Upper Case.stl

Christmas Mechanical Ornament

Lower Case Open.stl

This is the first model I've designed, I've only just recently (a couple of months ago) got my first 3D printer. I've decided to take up 3D modeling after many years (and a career change) and created this special box, to store your dice in, but also to be used as a dice roller, or dice randomizer during a game. This was initially planned to be used with a D&D dice set, but it can be used for any dice game.

This version is the second version of the box I've created (we'll call the first version a trial by fire to learn the 3D program - onShape, design process, tolerances, some mechanisms and more), and it allows for anyone to design a top part (called "cage") and I've released this model with a few different cages to print. Most of the objects were designed to be printed without support, but some must have them.

You can grab a copy of the project on onShape, if you want to print your own "Cage" for the box.
https://cad.onshape.com/documents/cb3370f0ca4cf428e80b1011/w/2e1081ad3a8340a38d567237/e/55388fe55a0f8b919bf3891c

There are simple differences between the different objects in the settings (mostly layer height for better details) but they are not at all a must, this project can be printer by most printers default settings (Nozzle 0.4, layer height 0.2, no supports, no brim).

Pin Button.stl - Recommended layer height 0.1
Pin Cap.stl - Recommended layer height 0.1
Cage(1,2,3).stl - Recommended supports
Seesaw.stl - Need to print 4 copies

Final box measurements:
Width 13 cm (including side supports).
Height 8 cm.
Total parts to assemble - 11 (including 4 x Seesaw).
Model was designed for FDM printer but I'm sure will work on resin as well.

Video of operation:
https://youtu.be/YjZ071LPlCE?si=sgi_Eym4v26g02GC

Dice Box Mixer

Base Box.stl

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