Keep getting asked so i thought id share this, as it is the DIY with QB thread.
Heres how you mount single slate heatsinks onto 2020 profile.
25mm m5 bolt
M5 penny washer x 2.
M5 spacer.
M5 15mm nylon spacer.
M5 post assembly T-nut
Heres how you mount the new elite light engines on 2020...