DIY bicycle framebuilding jig parts

This is the ideas2cycles bicycle framebuilding kit: http://ideas2cycles.com/the-jig/ These are the machined pucks/fittings for building a bicycle framebuilding jig. Various aluminium profiles can be used (like Minitec), which you source separately. This package includes 6 fittings:
2 pcs headtube fitting (all external cup standards)
1 pc conical seat tube fitting
3 pcs BB fitting (BSA, PressFit86, PF30, BB386, BB30, BBright and T47)
In addition, you will get access to customer section with instruction manual, spreadsheet for calculations and 3D printed gauge blocks to vary BB shell widths (road/MTB).
Check out the details on how to use the jig: https://www.instructables.com/A-simple-bicycle-frame-jig/
Shipping costs are the same for multiple items. Especially customers in the USA will benefit from joint orders.