Easy Pencil Holder

in this instructable you will learn how to design a custom pencil holder
Supplies
3d printer
filament
autodesk account
Get Shapes

open tinkercad and start a new project, then create a cube and the desired hole shape
Combine

drag the hole to the cube
Group

select the cube and hole and group them
ps. try experimenting with multiple holes

now you are ready to print, since this is a simple print you can use an infill of 5-15%