Window screen frame - corner joint - 5/16"(8mm) x 3/4"(19mm)
Description
Fits a 5/16"(8mm) x 3/4"(19mm) window screen frame(not sure what the standard sizes are for metric frames but those hopefully get you close enough to figure it out). Note there appear to be 4 sizes of window frames that are standard. Look at the attached photo to see how those are measured. Including the decimal equivalents for ease, but these are designed to be measured in fractions of inches, so will not be exact and can vary based on metal thickness used. 1. 1/4" X 3/4" or .250" X.750" 2. 5/16" X 3/4" or .3125" X .750" or 8mm * 19mm<-- the size this particular upload covers 3. 3/8" X 3/4" or .375" X .750" 4. 7/16" X 3/4" or .4375" X .750" You can search for "MP14074 window screen frame" and see the style is is designed for but have included photos for easy reference. Whether it has a lip or not doesn't matter. what size the lip is on does not matter, as this fits inside the channel. Mine specifically is for a .125' spline. If yours is larger like the .165" spline shown in the cross section, you would only need to snip off the small inside corner post. it is purely decorative. Optimized for printing, so should be very easy to print. I removed the .75mm step from the bottom of the full 19mm corner as it was serving no useful purpose(not really needed to retain frame) and not worth the support time since it is hidden at installation. So no supports. Prints flat, and can easily nest 16+ at a time on an Anycubic with a bed of 235*215 which is enough for 4 windows. Has a rounded bottom corner all the way around the inserted part as you can see from the green profile render shot. Also has a double taper on the leading edge making it very easy to insert.. 6.75mm high by 12.5mm wide opening in the channel (2mm thick by 15mm widest point of L shape). 19mm square corner 58mm long overall. More dimensions in the photos. also has the small corner post to retain the beading and hold the edge in place, but this is a snug fit and will easily lock into place. Let me know if you need one modified for a different channel size. These are NOT for mitered corner joints. The corner block is exposed - very easy to cut square ends on your window frame and install these. If you need one for mitered corners that the entire plastic corner fits in inside the frame and is hidden, that will require modifications and a new file. Printed mine in white (match your filament to your window screen frame color) black typically has enough carbon to have more uv resistance even if it does not specifically have a uv inhibitor. If you are going to paint anyway, up to you. Both files here are the same model, just once meshed with triangles, the other quads. might make a smoother print, or might not make a single difference in reality.
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