which one do is the bottom one

[Daniel-K]

im having a go at making a mirror i have a glass tool and a blank im just a bit confused do i have the toll on the bottom or do i use it to hog out?

[Glasspusher]

You might like to have a look at my thread on making a 12 inch mirror....

http://stargazerslounge.com/diy-astronomer/113596-making-12-inch-mirror.html

Also I have produced some articles to help mirror makers here..

Northcote Hill Farmhouse

But to answer the question....start with the mirror on top using a chordal stroke, details of this can be found here..

Stellafane ATM: Guide to Strokes

Good like with your project and do keep us updated.

John