Author Archives: hlocke

3d prints done on the updated printer

The photos show a 3d print made on my updated dlp based 3d printer. The lines on the print represent well defined 0.1 mm layers.  The layers stand out because I printed the part at an angle to minimize large … Continue reading

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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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Moved ProjectsInterestsAndEtcetera to a new web hosting provider

I have moved this web site to a new web hosting provider. This move would have gone smoother had my previous provider not turned off my account 8 DAYS before they were supposed to (It was not supposed to be … 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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True Facts (Or Actual facts, Depending) Raccoon vs. Locomotive

Sometime you just have to write about stuff. I live less than 200 ft from a railroad track and about a quarter mile from a railroad crossing. Several years ago the Canadian National Railroad purchased the tracks behind my house … Continue reading

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Conestoga, The Movie

Not exactly Pacific Rim but it does show Conestoga’s front bumper obstacle routine and it moving from one waypoint goal to another. Video

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It’s going to be all robomagellan for the next two weeks or so

I’m spending the time running up to the robomagellan competition pretty much going over conestoga’s python code (4500 lines about 3000 “good lines” the rest is junk code and comments) looking for any bugs or errors and generally cleaning thing … Continue reading

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Conestoga software/hardware work and testing for upcoming Robomagellan

So far so good. I took conestoga out today for some test runs and it hit the gps waypoints like clockwork. On the first run I set the waypoint precision to 3 meters (e.g. if within 3 meters of the … 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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Robomagellan (Let’s not over-think this little problem)

The first of 2 Robomagellan competitions in my area was held this weekend. This one was more of a “lite” version of the one that will be in august and there were only 3 entries. I actually did better than … Continue reading

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Goal Goal Goal…

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