In this section we will cover existing modifications that improve the QoL of HMS as a hobby. Most, if not all of these, are not WBO event legal. This page will be updated as new and exciting modifications come about. Their primary goal should be to retain original performance, rectify breakage issues, and be fully compatible 1:1 designs.
If one of your RC prongs has broken on a very rare or expensive part (a common affliction), replacing the housing is the best course of action.
If you're trying to replace a broken CWD, want numerous duplicates of now hard-to-find parts, or experiment with what original HMS parts had to offer you can look into the 3D modelling and printing route explained here.