Prior to my Rockler Air Pods article, this was my initial endeavour, which in turn was my first grab for an alternative to my Fe$tool VAC-$Y$ for small items. The cups came in 3 sizes,
50mm dia.
75mm dia.
100mm dia.
Being a shopmade “clamp”, for anyone that was fortunate enough to not have read it but is a sucker for punishment, it was previously published as this project.