Coved Picture Frame -- Customizable
by lorenmcconnell, published
I wanted a picture frame template for some projects I am working on and decided to go a little further and make it customizable.
The picture frame is based on a design from my woodworking -- a simple circular cove. But I wanted to do something interesting and decided to add raised text for an easy gift project. I made the face of the text follow the curve of the cove for a appealing effect.
Most design attributes are adjustable, from the artwork size, to the font, to the depth of the rabbet for the backing. Units are in millimeters. The backing should be a snap-in fit.
There are lots of knobs in the Customizer list, so play around. But the defaults are nice to my eye, so to start, just set your artwork size and captions and see how it looks. Download the code to "get under the hood".
I am also using this picture frame design as a simple background to showcase other artistic elements. For example, I created a script for Blender to describe the geometry of 3D Celtic knots. (http://www.thingiverse.com/thing:56629) Adding them to the frame produced my "Celtic 4x6 Picture Frame". (http://www.thingiverse.com/thing:55464)
Thanks to the developers of OpenSCAD and the "write.scad" library for making this project possible.
I do not yet have a printer, so if you do print one, let me know how it turns out!
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Enable support material in your slicing engine, and the rabbet should be supported. Some slicers treat this differently. Cura, for example, has options for support "everywhere" or "touching build plate". Choose "everywhere", and the rabbet should be supported. Slic3r seems to always behave in the "everywhere" mode. If you need to, verify the support with a gcode visualizer, like http://gcode.ws. The nice thing about support for the rabbet is that it is in a hidden area -- imperfect removal shouldn't show.
This is a GREAT design, especially usin SCAD! Thank you for posting it. I'll try to print this soon and post the pictuers of result. However - looking at the design in slicer and scad - small suggestion in regards of rabbet - it would be a bit hard to print the frame witt rabbet like trhis (even if you print frame and backer separatelly which I'm planning to do anyway) with such overhang - basically it's pretty much impossible to print horizontal "ceilings" in the air on 3d printers without some support or having the overgang increasing gradually over the short arc or slope. If the both parts would be printed together they would most likely merge / stuck making them hard to split afterwards.So the solution would be to have the top inside edges of the rabbet sloped (but then the glass / plexi would need to be sloped too) or to make additional small frame insert printed separatelly (in "reverse" slope shape) to achieve the standard rectangular shape of rabbet again. I'm not sure If it's understandable from my description here - if not I'll try to draw some example of the inner part of the frame / rabber in thinkercad and post the name / link here so you can have a look.
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Open in Customizer to generate your own version of the STL. Modify parameters and and see the effect in the preview window. Be patient and allow for render time.
For a basic mod, change the text and picture size parameters for your application. It defaults for a 4x6" print. Units are in millimeters.
For a Replicator 2 build platform, a 4x6" (101x152mm) print frame will fit with a 30mm frame_width and font_size of 15mm. Overall size of 151x202mm.
Sign your work with the "back_message" -- a maker's mark on the reversible back panel.
If you are feeling adventurous, experiment with the other parameters to suit your preference.
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