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Chapter 8. Liquid Len Meets DiscoHead: > Cutting the Mirror Tiles: They Will No... - Pg. 237

MAKE: PROJECTS Eccentric Cubicle Figure 08.24: A small dog bowl of mirror tiles Figure 08.25: The head deflashed and quartered head off the edge of the pane without chipping; you may want to add a ledge to your jig the same thickness as the glass you're cutting to give the wheel somewhere to go other than down when you hit the edge of the pane. We're cutting ½" square tiles: use breaking pliers to grab the narrow side of the score if you have to. In a pinch you can use regular blunt-nosed pliers with the jaws pad- ded with a single layer of electrical tape. You don't need to squeeze hard -- just enough to keep the jaws closed as you make the break. Use a whetstone to sand off sharp bits and take the edge off of edges, if you take my meaning. Apply the abrasive along the edge: sanding from edge to edge is gonna lift chips from both the facing and silvered side of the mirror. This is undesirable. Warm glass is easier to work with. Not hot: warm. Use a hot-water bottle to warm up the pane every 10 minutes or so. You'll notice the difference. A fine-point Sharpie is the ideal writing implement for marking glass prior to scoring. You can mark ruler lines on the scoring side of the jig base, but remember that all measurements must be offset 1 8 " (half the thickness of the cutter head) from the straight / edge to allow for the position of the wheel in the middle of the head. Score and break one strip at a time. Once your strips are broken out, you can go back and score each strip at ½" intervals, then break out your tiles in one extended snap-happy orgy of breakage. Be precise with your mea- surement, but not obsessively so. We're tiling an irregularly shaped surface, and you'll find that irregularly sized pieces are essential to making tight fits. Cut about 1 ½ square feet of mirror into ½" square tiles. You'll need to keep three or four unscored ½" strips on hand to use when cutting the really irregular tiles that you'll need to fill in the gaps that square tiles can't cover. [Figure 08.24] When you're finished cutting, wash your tiles gently in warm water, ammonia, and the dishwashing liquid of your choice to remove any traces of cutting fluid. Rinse thoroughly, then pat them dry with massive amounts of paper towelling. Mirroring the Head Start the tiling process by sanding the flashing and mould marks off the form with 220-grit paper. Divide the form into 4 quarters as illustrated, and lay your first lines of tiles down these quadrant lines. [Figure 08.25, Figure 08.26] 226