4.1: Glass can also be color filled with Rub ’n Buff metallic colors with good results.

Note: Rub ’n Buff is a wax-based finish formulated from carnuba waxes, metallic powders and pigments. Rub ’n Buff provides an attractive metallic finish that no paint can fully duplicate.

4.2: Follow steps 2.1 and 2.2 to prepare the glass surface.

4.3: Change artwork to 60 percent or 70 percent grayscale. The Universal system driver will process the image as a halftone.

4.4: Using the power and speed appropriate for your laser system and the material, engrave onto the glass with a 25-watt laser and 2.0 inch lens with the following settings:

• Power = 100 percent
• Speed = wattage of laser (i.e., 40-watt laser = 40 speed)
• PPI = 500
• Image Density = 5 (500 DPI)

Note: Using the above recommended lens and power setting should result in a glass engraving that exhibits a smooth texture, low chipping and a brighter, cleaner finish.

4.5: Color fill the engraved areas with Rub ’n Buff as follows: Squeeze a very small amount of Rub ’n Buff onto your fingertip and rub it evenly in a gentle rubbing motion over the engraved glass surface. Buff with a soft dry cloth to achieve a lustrous finish as shown in Graphic 7. Done!

Note: Any excess Rub ’n Buff can be easily wiped off with a soft dry cloth.

Note: Rub ’n Buff is available from most craft stores or online at www.amaco.com/.

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