Here's a utility arms / frame for a CSR frame, All printed with servo connections at the back. Supports up to 4mm skins (double skin, 2mm each). Check out my Patreon page for all the files, designs and some instructions...All files freely shared. Happy printing. Note this is not for the Version 2 Printed R2D2, this is standalone design for those following the CSR astromech design (check out astromech.net the R2D2 builders club for loads of information and support!