This will left the Ender 3 up so that it is 25mm from the surface that it is sitting on. Great for having a bigger fan underneath the printer.

It was printed in PETG and the insert was printed in TPU 95a, Use some double sided tape to stick them together.

They are mounted with m5 T-nuts and screws.

You can edit the CAD here: https://cad.onshape.com/documents/afaddee9f3fd918797881ae4/w/887c1855cfc1a33240d63bc8/e/ddf73db62e7cba320267d8de?renderMode=0&uiState=69adf9749980775b07de86f0