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Product Description
This is a 1 of 2 part jig, you will need the :
Pop Bumper Jig - Small
Pop Bumper Jig - Big
Basically print both of these, to convert a Gen 1 Classic Stern steel bumper bracket to a more model bolt in style kit by easily modifying a standard modern stern pop bumper bracket. The reason for doing this is the diameter of the modern stern pop bracket is approx 2.5mm larger in diameter than the hole in the playfield on a few games. So you either have to grind the pop bracket body away or remove the excess from you playfield which is quite a permanent approach.This is a jig that comes in 2 parts which you would 3D print up and then if you have access to a lathe (3 jaw) you can clamp the jig around the body and then centre it in the lathe and carefully machine the ring diameter down to approx 61mm diameter.
If you login in with an shapeways account a DOWNLOAD button will appear. This jig still needs to be tested so take care but also let me know how it goes.
Print up at 0.2mm layers and about 60-80% fill in PLA or equivalent.
They are 16mm thick and you use 2 M4 bolts or imperial equivalent and 2 nuts to clamp the parts together. Bolts would be about 25-30mm long.
hope this helps.
Search "Swinkspopjig" to locate both parts
I am not worried about not selling the modified pop bumper brackets - this option lets you or someone you know machine a batch of modern stern pop bodies down ready in stead of buying the Gen 1 bracket I created.
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