This protective case is made for the Pocket Operator series by Teenage Engineering and offers the following key features:

• Easy to assemble
• No support needed
• Three printable parts
• Interlocking buttons
• Battery access
• Fully customizable colored icons

This model is made in Onshape, Feel free to modify or customize it to suit your needs!
https://cad.onshape.com/documents/d8a75c3d59c4985e8359bd9f/w/e96f85dc3b02638ee3d000b0/e/d7c5febe3cd6553de64c83e0?renderMode=0&uiState=67d1a86871492658c08abd49

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https://www.instagram.com/sijmen_creates