HLM - BND30 mining loco
This article was published Feb 26, 2018.

Meant for 12 or 14mm gauge, but since 18mm inside a 16.5mm motor bogie could - in theory, fit inside to.
Needs couplers to complete. Both original couplers and adapted for kadee exist.
update 180311
Hans sent me a photo of his 1/35 scale model.