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Instructions
To create your Astrolabe you will need 3 mm acrylic of two contrasting colours and a clear piece for the rete. The rete could be printed directly onto a sheet of acetate if preferred together with a star field for your hemisphere. Raster the text and divisions first then cut out the edges.
For assembly I used a bolt and wing nut through the centre the longer alidade goes to the back of the plates and the smaller rule to the front. The rete with the ecliptic fits inside the back plate and outer ring. make sure you use the correct ones for your location. To make one for your location you can create your own plates to fit inside the outer ring. Use one of the programs mentioned to create an image file and then draw over it in Corel. I used acrylic paint to fill in the lines with the opposite colour. Put a drop of paint onto the acrylic piece then scrape across it using a piece of flat acrylic. Make sure you raster deep enough for the paint to fill the lines. You can see the back of mine that the right hand side didn't take the paint well.
