Corner bracket for acrylic sheet 3mm

I needed a corner bracket for acrylic sheets in 3mm and couldn't find one here.

Printed in petg and abs, but works best in petg.

Here's the link to onshape if you want to remix it.

https://cad.onshape.com/documents/c277be95fbedcc2702de9f07/w/f0d3ef1c6acc865d8723653c/e/27d71995e7bd10e1d20624b8?renderMode=0&uiState=66704c787bad5d09eaf518cb