Compatible with the RB3 and RBB3 printers with an acrylic face plate.
To install it, align the left side first to a face plate and then pop the right side in by gently pressing the locking tab in to secure it to the mounting hole. The fits will be very snug.
As with all our printer parts these are precision parts. For best results it is highly recommended that you use calibrated filament using the method found here: https://www.thingiverse.com/thing:1037301