Category Archives: 3d printing

3d printer rebuild

It started the way these things usually start, you decide to upgrade a part and then one thing leads to another which leads to another which leads to another…  In this case I wanted to have a vat that was easier … Continue reading

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3d printer rebuild, the z axis and build plate

One thing I have come to realize about this type of 3d printer is that what counts is that the build “face” (the layer that is being exposed), the vat floor and the projected layer image have a particular relationship … Continue reading

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3d printer rebuild, the vat and tilt assembly

Probably the most interesting part of this printer is the tilt assembly so that’s where I will start.  The basic requirements of the vat tilt assembly is that it tilts with enough force that it is able to peel the … Continue reading

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3d printer rebuild, software and electronics

Please Note: I am no longer using this control setup, I have switched to using Marlin firmware and ramps 1.4 with an arduino mega 2560. I will post an article on this setup sometime during the week of 11/28/16 Any … Continue reading

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3d printing notes 1

Close Focusing A DLP Projector: I have noticed that sometimes people building dlp 3d printers have difficulty making their dlp projectors focus close enough to create a small image on the vat floor. One of the method I have seen … Continue reading

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3d Printer Vat Refresh (lean mean grilling machine style)

My 3d printers Sylgard 184 vat floor coating had fogged and needed to be replaced. I believe it fogged due to having made some long base layer exposures. When I originally coated the vat floor I needed to let the … Continue reading

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DLP 3d printer build details 1: Structure

The printer hardware consists of only a few assemblies the build plate/z axis assembly, the vat/tilt assembly, the projector mount, the housing and a light baffle (sucks up stray light when printing) all connected to a single vertical aluminum extrusion. … Continue reading

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DLP 3d printer build details 0: preface to the build details

Building a 3d printer had been one of those things that had been rattling around in the back of my mind for a while before I actually decided to build one. I considered just adding a fdm print head to … Continue reading

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Up And Running. News At Nine.

Finished my DLP 3D printer. Got a good print on the second run! Short Video: All dressed up and ready to go: On the first print run I heard the vat snapping away from the corian build plate on the … Continue reading

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Lurching Forward: 3d printer

It’s been a little while since I posted about my 3d printer build (summer has that effect) but that does not mean I haven’t been working on it.   CLICK HERE FOR VIDEO Some quick info: First, things are looking pretty … Continue reading

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UV DLP Light Source, update of the update.

Here are a few new photos. The tapered light pipe seems to work pretty well for a quick prototype. I think I can squeeze a little more efficiency out of it by chemically “silvering” the light pipe (it will probably … Continue reading

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UV LED DLP Projector update: new uv lamp assembly

Note: photos below. I think I may have a uv lamp configuration that will be usable with almost any dlp projector, it also does not involve using optics. Let me bore you for a second, when I was 10 years … Continue reading

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A few quick notes on the casio projector uv mod (3d printer)

some notes for those who may be wanting to do this mod: When disassembling the projector you have two types of flat cables, push in and connectors that have a latch. The latched connector have what looks like a black … Continue reading

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First Light, Casio projector uv mod. (3d printer)

First test with uv led in position. Even without having optimized the light path optics a lot of uv is being projected. This photo was taken in a well lit room, when I took the photo my camera immediately “stopped … Continue reading

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casio dlp projector mods

I think that the casio xj-a140 (purchased cheap without the blue leds and heatsink) may be one of the better dlp projectors for dlp based 3d printers IF you plan to modify it for use with a high output uv … Continue reading

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DLP projector red led assembly and uv led (3d printer)

I received the 20 watt uv led today and thought I would post some images of the red led assembly from the casio dlp projector and the uv led (only the blue led block was missing from the projector). I … Continue reading

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DLP projector for 3d printer

The DLP projector I am using for the 3d printer I’m building is a casio xj-a140 LED based projector. I am using this projector for a number of reasons: When purchased without the blue led array they can be purchased … Continue reading

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dlp 3d printer main assembly photos

Here are a couple of photos of the 3d printer so far. It’s a “bottom up” design with a tilting vat. Here is a photo of a test of the dlp projector.

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Building A DLP 3D Printer

This was just too cool a project to pass up. A DLP 3D printer is a simpler build than my cnc router was by a long shot. It also seems simpler, at least to me, than the extrusion type 3d … Continue reading

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