Two weeks ago I shared with you the second part of my new designs for 3D printed OO Gauge fixed link couplings specifically for coaches; you can find the post here. This week I’ll be showing you the final part and, more importantly, where you can get them.
The couplings are designed to give a close fit on straight track and open up on corners, using the NEM cam system, without coming uncoupled. At the same time they are very easy to manually uncouple by simply lifting the coach off the track.
This saves a lot of time when packing away an exhibition layout as was proven this weekend when around 70 coaches were removed from the new layout ‘Bournemouth West’ at the Swindon Railway Festival. As the trains rolled into the yard for the last time the coaches were simply lifted into their boxes.
The couplings are printed Shapeways’ Black Strong & Flexible material and come in 5 different types:
Type 1 gives 16mm between NEM sockets. (When two type 1’s are used).
Type 2 gives 17mm between NEM sockets. (When two type 2’s are used).
Type 3 gives 18mm between NEM sockets. (When two type 3’s are used).
Type 4 gives 20mm between NEM sockets. (When two type 4’s are used).
Type 5 gives 21.5mm between NEM sockets. (When two type 5’s are used).
And they are available in two pack sizes; 10 couplings and 40 couplings.
A sample pack is also available which has two of each type.
All the couplings are now available in my Shapeways Shop here.
Next week I’ll have another new product to share with you which was also tested on ‘Bournemouth West’ this weekend.
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