This is a dice tower and dice pool! The pool was built face down, so rotate it before you print it in your slicer. 

I built the dice pool to fit the dice tower. The dice tower was not built by me, but is unmodified here. 

The dice pool is 4 inches square, and should fit the tower as printed, or scaled a small amount as well. 

The original source of the dice tower is: https://www.thingiverse.com/thing:3001833/files

Dice Tower - Wide Mouth by BrayChristopher is licensed under the Creative Commons - Attribution license.
By downloading this thing, you agree to abide by the license: Creative Commons - Attribution - Non-Commercial - No Derivatives

Dice tower and separateable dice pool

Wide_Mouth_Dice_Tower_Supported.STL

This is a stand I built to hold a indoor/outdoor thermometer whose kickstand broke. It might also double as a cell phone holder. I made it to be easily printable on its side or on its base in a SLA printer. 

Simple 20mm holder

thermometerHolder.step

This is a remix of a few models, https://www.thingiverse.com/thing:5217005 and https://www.thingiverse.com/thing:5217005

Note that the holder is for mini-wrenches, 50mm in length or longer, but otherwise very small.. 

You might be able to scale it in your slicer to make it useful for larger sets. 

OK Honda Wrench Holder

OK_Honda

Midget_Wrench_Holder_Single_v1

Body

Sketch

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Dice tower and separateable dice pool

Simple 20mm holder

OK Honda Wrench Holder