Questions tagged [sla]

Questions about the Stereolithography (SLA) method of 3D printing.

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Resin printers: What effect does altering the lift distance on a Resin printer have, and what are the consequences of getting it wrong?

Slicing software for resin printers: Chitubox, for example, has a setting labelled "Lift Distance", which as far as I can tell determines how far build plate is lifted in between layers. A ...
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2 answers
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Is there printable optical-grade resin?

Are there SLA printable resins that can be printed with optical clarity and whose index of refraction make them potentially useful for optical applications? I would assume the surface may need ...
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What are the limits of SLA 3D printing for optical lenses (eg : glasses)

I'm interested in making optical lenses, but I do not want to spend to much on it. What are the limits and criteria which will help me decide which SLA printer will make it possible or not ? I suppose ...
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Are 3D printed containers safe for cosmetics?

So I've seen info about food-safe 3D printed containers, but I haven't seen anything about safety when it comes to containers used for cosmetics. Would a cured resin 3D printed jar be safe for holding ...
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2 answers
549 views

Running SLA printer in the bedroom

How safe do you think it is to run an SLA 3D printer in the bedroom? I am planning to run Mi Air Purifier 3H/C while the printer is running, I am also thinking about adding this inside the actual ...
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How exactly can a 720P DLP print at a higher resolution than a 2k LCD?

I'm still confused on this. The Anycubic Photon Ultra is coming out soon, and it features an internal 720p Projector. The 720p resolution seems like a far cry from a 2k LCD (1280×720 vs. 2560x1440). ...
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8 votes
2 answers
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Can SLA printers produce strong engineered parts?

I have an FDM printer, I printed ABS for years. Since SLA printers became really cheap lately and are able to print finer details, are there resins out there as strong as ABS/PLA?
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3D printing ESD safe/high temp parts

I am trying to develop a process to print fixtures/jigs that can withstand a convection oven temperature of 165 °C. The tricky thing is that these parts have to be considered ESD safe (surface ...
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Chitubox estimated time very away from the real time

Some time ago, I bought an Elegoo Mars 2 Pro, and I really liked the product. This is my first resin printer and I am very satisfied. What has been bothering me a little is in relation to the slicer. ...
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When changing my FEP should I pierce it first or just screw the screws through it?

I'm going to do my first FEP change on my Elegoo Saturn. The manufacturer has a video on changing it that shows them putting the FEP into the gasket frame and then simply screwing the screws right ...
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181 views

How much time should take for UV lamp to cure resin?

I've bought recently this UV lamp to cure my SLA prints: But I seem not to be able to get the job done. I got some leftover supports and wanted to throw them in the trash, so I put the lamp onto them, ...
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Standard Settings for AnyCubic Printers?

Does anyone know where I can find a list of recommended settings for different types of resin / print objects for Anycubic printers? I realize that some of the details will need to be tweaked on a ...
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How to block UV light (transparent material)?

I want to build my own curing station for my resin printed parts. I know there are a lot of prebuilt machines but they do not completely satisfy my needs. I now want to know which material i can use ...
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XY Resolution of Form 3 Printer versus Laser Spot Size

According to the Formlabs site, the XY resolution (with the appropriate resin) is 25 microns. However the laser spot diameter is listed as 85 microns. Assuming the 85 microns is FWHM (full width ...
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Top-Down SLA Printer Bulging Issue

I have designed and built a top-down SLA 3D printer that uses a 405 nm 500 mW laser along with some galvanometers. I filled the vat with glycerin and then topped it off with about 2.5 cm of resin. I ...
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1 answer
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SLA printers: food-safe resin parts

I've actually read that resin printed parts are not food-safe in Reddit and Formlabs guide. However, it also says that food-safe can be achieved applying some kind of food-safe coat to the printed ...
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SLA resin post-processing: gluing parts together

I've recently purchased an Elegoo Mars Pro 3d printer, and I was wondering when printing large pieces that need to be printed in different steps: is there some kind of post-processing to make it more ...
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Curated resin size shrink (and methods to reduce it)

I've recently purchased an Elegoo Mars Pro 3D printer. I've read about that percentage of resin shapes going smaller and I understand that. But are slicers (or software which help with the joints) ...
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Printing and slicing big pieces with Elegoo Mars (Pro)

I'm pretty new in the 3D printing world, and there are some doubts that have come my way and I've not been able to find anywhere. Usually, I'm going to try to print pieces bigger than the bed of my ...
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LCD/DLP resin curing system

I'm trying to develop a device to burn a glass slide surface with a special pattern of UV light (between 300 nm and 360 nm) in a 5 cm square surface. I've read several threads asking questions about ...
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Enclosed volumes with stereolithography 3D printers

I have no prior experience with stereolithography 3D printers. For a research application I am considering the SLA approach but I have a more basic question. I would like to use SLA in order to print ...
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Use SLA 3D printing to make a flexible mold

I have seen some videos like this one, that uses 3D printing to make a piece that will be used to make a silicone mold that will then be used to make the final object made of some resin. Isn't ...
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1 answer
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Why is cupping bad in SLA prints?

Why is cupping bad? (I don't mean hollow parts) Example: Lets say that I want to print a simple cup without a handle. There are two obvious orientations: In one orientation it won't require any ...
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3 votes
1 answer
527 views

Do SLA printers have open source slicers available to use?

Does anyone know of a (manufacturer independent) software that supports different types of SLA printers? Since there are many different SLA type printers around, I was wondering if there are any ...
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2 answers
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How to prevent model from peeling off of resin printer buildplate during print?

Recently I have started using a fairly large LCD resin printer. (Yidimu Falcon Pro) It has a fairly large 260x160mm perforated and coated steel build plate and a decent dual rail Z axis with a ...
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Empty patches with a very viscous resin

I have a Mars-like 3D printer, which so far worked very well with typical resins. Then I decided to print a mechanical part with Siraya Blu. I followed their recomendations of a "heavy" support, which ...
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Photon S DLP first layers adhere but support will not

Recently I changed the FEP bottom of my Anycubic Photon S and I'm having problems with prints now. The bottom layer sticks super well, but none of the supports or the prints do. I've tried tensioning ...
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2 votes
1 answer
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SLA printing: piece does not stick to supporting structures

I am trying to print a box shaped object with an ELEGOO Mars SLA printer. I positioned the piece rotating it on X and Y axis 35 and 30 degrees. However, the print fails because the piece does not ...
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Does it matter what kind of FEP film I use for my SLA printer?

I have a Phrozen Sonic Mini printer, and of course I'm eventually going to need to replace the FEP film on the resin vat. Is there anything I need to take in to consideration when buying some ...
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Attach LCD to VAT

I began build LCD printer and I want make some modifications. What if I will place LCD below VAT? Will the display break when printing? what are the risks? I seen a lot of printers and all of them ...
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2 votes
2 answers
4k views

Can you cure resin with sunlight through a window?

If I set my prints on the window sill (indoors) will the sunlight still be able to cure the resin? The problem with setting them outside is the wind knocking them over.
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Methylated spirits or turpentine to clean resin printer?

I'm new to 3D printing and have bought a resin printer. Cleaning with Isopropol Alcohol seems to be the rage, however I think this is unaware of cost savings. It appears methylated spirits is ok and ...
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1 vote
1 answer
239 views

Is it possible to attach a laser engraver to a SLA / resin 3D printer?

While trying to figure out if I should start 3D printing with FDM (Creality Ender 3) or with SLA (Elegoo Mars), I got hooked on the bonus feature of attaching a laser upgrade on the 3d printer to make ...
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1 vote
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New 3D resin printer with a scratched bed - will it work well anyway?

I just received a new SLA printer from AliExpress. There are scratches of different shapes on the bed, as seen on the photo. I am particularly worried about a set of scratches of about 0.2 mm ...
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9 votes
2 answers
1k views

What would cause a SLA printer to print a solid block of resin?

I’ve just brought my printer back out after a month and it’s first print created a solid block of resin about 1.5 cm deep and the full width and length of the print bed. What could cause this? ...
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1 vote
2 answers
891 views

What do I need to go along with my new SLA 3D printer?

I just purchased an Anycubic Photon 3S LCD-based SLA 3D printer. I understand the need for cleaning and curing parts after printing. While the device is in transit, I'm looking to set up a workstation ...
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Large SLA Build Plate

So I purchased a ready-made z-axis. There are four holes for 6 mm screws. Two pairs of holes are 100 mm apart, with each pair of screw mounts 20 mm apart from each other. Basically, ...
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1 vote
1 answer
231 views

Square sheet in middle layers

I'm using a Tronxy Ultrabot (looks very similar to Anycubic Photon) and I'm still on my first prints. Things that happened thus far: many failed prints that stuck to the resin tank, one which I had to ...
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Are SLA prints also susceptible to say microbes like FFF prints are with the microscopic flaws?

Say if one were to use foodsafe and or medical grade materials, would (m)SLA print be any less hazardous than one created with FFF printer, being eventually suscectible to bacteria buildup?
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6 votes
1 answer
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What materials would be appropriate for pool parts (chlorine & UV exposure) using SLA or FDM?

I've got a printer on the way later this year that's supposed to be able to do both FDM and SLA (with the appropriate accessories). I'm interested in printing some parts for swimming pools (the types ...
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4 votes
1 answer
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How does a UV LCD 3D resin printer work?

I've been wondering this for a while, and have searched for hours and have found nothing except undetailed explanations and projects. How does a UV LCD 3D resin printer cure resin exactly? I ...
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9 votes
2 answers
14k views

Best way to deal with Resin Printers in your living space

I know I did something stupid. I just had to have a SLA 3d printer. The issue being I live in a one bedroom apartment. In the months of owning it I have made lots of amazing pieces, I also for the ...
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4 votes
2 answers
266 views

Sparkmaker SLA resin not curing

My model layers are printing much as I expect but the parts when removed from the plate are very soft and flexible and fail to harden any further in sunlight or UV lamplight. A tall or slender part ...
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2 votes
1 answer
56 views

Gizmo3D SLA + Monocure resins not curing

I am working with a "Gizmo3D" type DLP resin printer, and using Monocure "General Grey" resin. I'm having some issues with getting this resin to cure to the build plate well enough to prevent it from ...
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3 votes
1 answer
3k views

Safe way of disposing resin

I have some leftover resin (100 ml) that I`m not planing to use anymore. What is a safe way of disposing it that doesn't involve curing?
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7 votes
3 answers
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Using heat-set inserts with SLA printed part

I have an SLA printed part I want to put a brass threaded insert in using a soldering iron. The insert is slightly larger than the hole so I would assume the edge will melt and re-freeze around the ...
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6 votes
1 answer
13k views

Toxicity of Light-curing resin?

I'm one of the lucky (??) Kickstarter supporters who received a T3D resin printer. This uses a proprietary (so far as I can tell) resin which cures under exposure to visible, rather than the usual UV,...
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1 vote
2 answers
533 views

Where or who could I hire to assemble a 3d printer that came in a kit for me? [closed]

I planning on getting a resin 3d printer kit, and I don't want to take any risks building it myself. Where, or who, could I hire a professional capable of constructing a 3D printer kit? They don't ...
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What kind of galvos are used in Moai SLA printers?

There are some very cheap SLA printers available, working with galvo scanners and 405 nm lasers to expose a fluid resin. I am looking for the galvos which are used in these projects. Does anyone know ...
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4 votes
3 answers
2k views

Which choices do we have on Daylight Resins?

I'm planning to make an LCD Resin printer. I'm still learning and I found out that I need daylight resin (which hardens when white light comes from the LCD). If I search for "Daylight resin" on ...
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