Questions tagged [sla]

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

Filter by
Sorted by
Tagged with
1 vote
2 answers
259 views

Are there any electrically-conductive SLA resins?

I'm looking for an SLA resin that's electrically conductive. But, there don't seem to be any DIY or cheap formulations for electrically conductive resin. If it were easy to do, we'd all be making ...
1 vote
1 answer
203 views

How thin a void/mould can a resin printer reliably produce?

I am trying to print a very thin casting mould. Once printed, I then pour an epoxy resin mix into the printed void. After curing the resin and demoulding, the final product is a mesh/web-like set of ...
0 votes
0 answers
55 views

Problematic 3D models that will collapse while being 3D printed by SLA technology

I'm working on an algorithm that predicts the probability of collapse for 3D models while being 3D printed by SLA technology. I'm looking for some 3D model that will collapse while being 3D printed. I ...
1 vote
2 answers
80 views

Resin mechanical properties during the print process, immediately after light hardens it

Resin specifications There are datasheets available for SLA resin mechanical properties. Like this Formlabs' General Purpose Resin datasheet. They present mechanical properties for two cases. First ...
1 vote
2 answers
49 views

Equipment for starting with SLA printing

I am completely new to 3D printing and want to start with SLA printing. I found the Anycubic Photon Mono 2 printer, but on the ordering page, there are options for "Airpure" and "Wash &...
5 votes
1 answer
372 views

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 ...
2 votes
1 answer
73 views

Any suggestions on problems with viscosity?

I just started resin printing in order to build enclosures for my little microcontroller projects. Sadly, I am having trouble getting good, planar, rectangular objects to print. Background: I have no ...
2 votes
0 answers
31 views

What's the most likely source of this warpage?

I've asked about this first printing project of mine before, and made progress in exposure, orientation, and supports. But as the photo shows, something is still causing the objects to warp (badly) ...
4 votes
1 answer
497 views

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 ...
0 votes
0 answers
150 views

What are the limits of SLA 3D printing for optical lenses (e.g. glasses)

I'm interested in making optical lenses, but I do not want to spend too 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 ...
4 votes
2 answers
2k views

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. ...
2 votes
1 answer
476 views

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 ...
2 votes
1 answer
3k views

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 ...
1 vote
2 answers
105 views

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 ...
3 votes
2 answers
6k 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.
2 votes
2 answers
8k views

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 ...
9 votes
2 answers
253 views

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?
2 votes
2 answers
6k 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 ...
2 votes
0 answers
118 views

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 ...
5 votes
2 answers
14k views

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 ...
1 vote
1 answer
113 views

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). ...
1 vote
1 answer
64 views

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 ...
1 vote
1 answer
2k 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, ...
1 vote
1 answer
52 views

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 ...
1 vote
1 answer
444 views

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 ...
2 votes
2 answers
1k views

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 ...
7 votes
3 answers
8k views

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 ...
10 votes
4 answers
38k views

SLA prints not sticking to build plate

I have been working with our SLA printer (Facture Draken) for a couple weeks now printing in makerjuice waxcast. . I have had some successful prints, but the majority (80%) end up as pancakes stuck ...
4 votes
1 answer
3k views

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 ...
1 vote
1 answer
376 views

Pros to UV printing

This is related to Cons to UV printing and focused on Ryan Carlyle's answer, mentioning: "...resin-curing SLA/DLP printers are industrial or commercial tools that are really not suitable for home ...
3 votes
1 answer
260 views

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 ...
2 votes
1 answer
911 views

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 ...
1 vote
2 answers
988 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 ...
3 votes
2 answers
16k views

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 ...
1 vote
0 answers
759 views

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 ...
4 votes
1 answer
13k views

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 ...
2 votes
1 answer
2k views

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) ...
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?
1 vote
1 answer
185 views

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 ...
9 votes
2 answers
3k 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? ...
4 votes
1 answer
996 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 ...
1 vote
0 answers
154 views

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 ...
4 votes
2 answers
313 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 ...
3 votes
1 answer
1k views

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 ...
2 votes
1 answer
2k views

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 ...
0 votes
2 answers
118 views

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 ...
1 vote
1 answer
394 views

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?
1 vote
1 answer
297 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 ...
1 vote
1 answer
279 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 ...
1 vote
0 answers
487 views

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 ...