1-2-3 Block Various Sizes

I was gong to buy some 1-2-3 Blocks then thought if I could print them instead. There are a number of designs out there, but I didn’t need anything sophisticated and all the other designs had holes in them sop they could be joined. Now I don’t need that, as Im not an engineer, but an amateur woodworker. And holes always collect dust don’t they? So as practice with my almost non-existent CAD skills I thought I’d have a go. So here is the result, and they are pretty accurate on my A1 printer, but I’m assuming there may be a need to tune your own printer.But then I got carried away, and created a series of different size 1-2-3 blocks, and they have already come in handy a few times with the track saw and router. So maybe someone else may find them useful. I have added the size of each block as a surface print when printed face down. There are 4 plates with the four different sizes:25x50x75mm20x40x60mm15x30x45mm10x20x30mm (though they text didn’t print very well, - I’m assuming this might