E3D clone DC42 IR sensor and 40mm radial part cooler adapter

Designed for a HE3D K280 delta printer; would doubtless work on K200 and many other Chinese deltas that use a E3D clone hotend having a square cold-sink block with 4x unused mounting holes on the reverse side to the fan (17mm apart). It leaves the grub-screws securing the heatbreak accessible.

A version without the fans is provided as a DC42 IR mount if you already have part cooling.. And a version without the IR42 mount to complete the set..

The DC42 IR board is protected from the heatblo