How To Make Hybrid Patterns For Cast Aluminium Plaques - And Kookaburras

#metalcasting #DIY #patternmaking
Here's how I make a hybrid 3D printed and MDF pattern for casting aluminium plaques. The technique ensures that the pattern can be withdrawn from the sand mould easily without the greensand breaking away in the small spaces inside letters like "A" "B" and "R". All you need is a 3D printer, some scrap plywood and the STL files for printing the letters.
You can download two zipped folders of letters, numerals and some special characters from Thingiverse for free here: https://www.thingiverse.com/thing:4635530

Видео How To Make Hybrid Patterns For Cast Aluminium Plaques - And Kookaburras канала Mark Presling