Category Archives: 3d printing

Cool Breeze Alpha, a generic 3D resin printer frame

A month or so ago I did a presentation at the local makerspace about dlp based 3d resin printers. For the presentation I brought in the printer I built for printing high resolution master parts and vat testing (for my … Continue reading

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The best of both worlds: Flexvat with raised edge vented acrylic FEP support plate

PDMS vs FEP Based 3D Printer Resin Vats Most “bottom up” dlp and sla resin based 3d printers use one of two materials as a release layer for peeling a part from the floor of the printers resin vat after a … Continue reading

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Heated Build Plate For The Thing, 350mm X 350mm

I am in the process of installing an oversize heated build plate on my large FDM 3D printer and thought I would post some photos since my work had been (rudely) interrupted anyway. I will post more technical details and probably … Continue reading

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Flexvats, Build Plates And New Store

I have been spending some of my free time designing a new larger flexvat and build plates to go with the new flexvat and LittleRP compatible vat. I was surprised at the demand for the LittleRP flexvat and felt there … Continue reading

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The General Purpose Thing

I haven’t posted for a while even though I’ve had a couple of projects going. Much of the reason for this has been a combination of my day job which is setting up and maintaining dental office computer systems and … Continue reading

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At The Store: Drumhead Flexvat Kit For The LittleRP

Available At The Store  Updated Flexvat for the LittleRP 3D printer. Uses tensioned FEP (transparent teflon) for the release layer.                               Vat Assembly (Updated 8/2/15), Original … Continue reading

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Drumhead Flexvat Kit For The LittleRP

The Drumhead Flexvat for the LittleRP 3D printer kit is just about ready to to get added to the store. I’m working on assembly and adjustment instructions, usage notes etc. It looks like I will have it available next week. Vat … Continue reading

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Torque Wrench For Tightening Flexvat Vat Gaskets And Tensioning Bolts

If your vat has adjustable tension using a torque wrench when tightening the tension bolts allow you to keep your vats FEP film at an even and consistent tension for printing and between FEP replacements. If you use a gasket on your vat using a torque … Continue reading

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Drumhead Flexvat for the LittleRP 3D printer.

Laser cut “drumhead” flexvat for the LittleRP 3D printer with adjustable FEP film tensioning.   LittleRP Vat Parts: top clamp, bottom clamp, vat wall extension, gasket, base plate, tensioning riser and FEP Assembled top view. Assembled bottom view.   Torque wrench for tightening … Continue reading

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Diagram of flexvat

Diagram of my SLA 3D printers FEP based vat (sometimes called a flex vat or flexvat). Updated drawing showing a better gasket design: Old design:

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Flexvat tests: I think this is going to work out

I made 2 test prints, one yesterday and one today First test print : As good as or better than pretty much anything I’ve printed up to now using sylgard/qsil coated glass for my vat floor. The printout had a … Continue reading

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SLA 3D Printer “Drumhead“ FEP Flexvat

Anyone who uses a SLA 3D printer has had to deal with vat floor release layers of one sort or another. Every since I built my printer I have been using Sylgard 184 or Qsil 216 2-component silicones. These materials … Continue reading

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Old school voltage regulation for my 3d printers dlp projector. To eliminate random lines in 3d printouts.

After printing a part last week I noticed a line about a millimeter or so high running through my part that had occurred about 2/3 rd’s of the way through the print run. I sometimes have to think about what … Continue reading

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3d printer vat refresh update: Tilting vat type sla dlp projector 3d printer

I decided to replace the pdms in my 3d printers vat not because it had begun to start sticking but because it was the same ratty pdms layer that prompted me to try the pressure vat refresh method in the … Continue reading

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How I prevent failed printouts on my sla 3d printer

I have found that doing the following things have cut the number of failed prints I have when using my 3d printer to almost none. I “paint” the build plate face with resin and harden it before each print run. … Continue reading

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PDMS vat floor refresh method for DLP projector based 3d printer. Maybe, possibly, could be…

Note: see the updates at the end of this post. I had a couple of ideas about methods of refreshing my 3d printers pdms vat floor knocking around in my head for a couple of weeks and I finally decided to … Continue reading

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DLP projector SLA 3d printer. 3d print timelapse

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Setting up a new DLP projector for my 3d printer.

For a while I have wanted to be able to print higher resolution parts with my 3d printer and have more flexibility in adjusting the usable build area (XY build area size) so I decided to upgrade to a high … Continue reading

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Setting up a DLP projector based 3d printers build size and resolution for Creation Workshop

I am able to move the projector on my DLP based 3d printer up and down in relation to the vat easily because the backbone of the printer is a MP4 heavy duty photographic copy stand. The projector is mounted … Continue reading

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3d printing notes 2

Vat Stuff The vat is where the rubber meets the road. My 3d printers vat is made of .5″ (12.7mm) cast acrylic (not extruded).  Cast acrylic does not have locked in stresses, so when you clean it with a solvent … Continue reading

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