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DIGITAL PAINTING BRUSHES FREE DOWNLOAD FOR FREE
DIGITAL PAINTING BRUSHES FREE DOWNLOAD HOW TO

That's the same orientation you'll want when laminating, with the longer (12-1/2") dimension of the glass also running left/right. If you place it smooth side down, with the corner notch at bottom right, then the prism facets (facing up) will run left/right, as shown in the picture. The film on its smooth side is yellow, while the one on its prismatic side is clear. It uses a UV-curable Liquid Optically Clear Adhesive (LOCA) ( DUV TP-2500), which comes in a 50 g syringe, though only about 15 g is needed for one painting surface.īefore beginning the lamination, you should know how the BEF is oriented. This lamination method comes from an Instructable by Ian Charnas.

Adhesive - The flat surface of the BEF must be laminated to the glass in a way that doesn't damage the prisms, remains clear, and contains no air bubbles (which can also spoil every painting).

BEF comes with protective films on both its flat and prismatic sides, which should be kept on for as long as possible since the prisms are easily scratched.

Fresnel prism - This is made by 3M as "Brightness Enhancement Film" (BEF), and you'll need the kind that uses 90° prism facets oriented in parallel, such as BEF4 GT 90/24 or BEF2 T 155n, available in 450 mm square sheets from 3M distributors ( American Polarizers Inc.

Ask them to sand (not bevel) the edges, and for "no logo" or "paper logo only" (instead of marking the glass itself).

Tempered Glass, 10" x 12-1/2" x 3/16" - Glass is more wettable and scratch-resistant than most plastics, and tempered glass has even greater strength and scratch resistance. Most glass companies can supply tempered glass, cut it to size before tempering.

Scratches can show up as unwanted lines in every painting, and beads of water can paint unwanted spots.

The painting surface is the most critical component. 3/16" hollow hole punch ( Harbor Freight 3838).Saw that can cut aluminum, preferably a table saw.Glass cutter for thin glass ( Fletcher 01-128).3D printer - all parts fit within the 300 x 220 x 300 mm build volume of a Creality CR10Mini.The materials and supplies are given at the beginning of each of the steps, with part numbers and links to manufacturers/suppliers. As you move the tools, the Light Strokes app processes the camera's images of the contact areas into painted strokes, with your choice of colors and effects. Wetting the tools helps to eliminate the layer of air needed for TIR. The iPad's camera is placed where it can only see the parts of fingers, brushes, or other tools that are in optical contact with the top of that prism, the painting surface. Instead of a glass of water, here we use a Fresnel prism, consisting of thousands of tiny facets.

Everywhere else, the background is seen by total internal reflection (TIR). Light Strokes uses an optical effect you may have noticed when looking down through a glass of water and seeing just your fingertips against the side of the glass. You can see it in action on prototype hardware in the first video.

DIGITAL PAINTING BRUSHES FREE DOWNLOAD FOR FREE

The hardware works in combination with the Light Strokes app, available for free from the App Store.

DIGITAL PAINTING BRUSHES FREE DOWNLOAD HOW TO

It shows how to build the Light Strokes hardware that enables digital painting on the iPad using actual brushes, sponges, rags, or almost anything you'd care to paint with. Digital painting apps provide some amazing simulated brushes, but if you miss the expressiveness of painting with real brushes and other physical tools, then this Instructable is for you.