Build Your Own SLA/SLS

Hi all, Can anyone describe the relation between the wavelength and the resin? How could we measure the wavelength of the projector and the required wavelength for the resin? How could we modify the wavelength of the projector? I have 2 projectors, each one acts differently with different materials....

EV-X53
It's chinese

Here are my prints with Acer:

And this is what I've gotten from vivitek:

Hi everyone, I had a vivitek D555 projector but whatever I did I couldn't get good results. But using an acer solved my problem. I can't figure this out? What's wrong with the Vivitek? Now I suspect one thing. The D555 has a 3d ready technology. Does anyone know what is this technology exactly? Does...

one of my friend had an envisiontec machine and I bought some of his resin. I don't know why my prints become thick. I think the problem is from vivitek.

Hi everyone, Can anyone help me? I can't figure it out. I have 2 projectors, a vivitek D555 and an Acer, I also have 2 resins, a WIC100 from envision Tec and a B9 cherry. My projectors can't cure B9 cherry and I have to remove the uv filter. Without a uv filter the Acer can work very well with B9 bu...

Yes I did. But the parts will fall.

can anyone help me, when I print a layer I expect to get something like this : 1.jpg but what I get is : 2.jpg The grey parts are a little thinner but they exist, and when I print a part, it causes the model not to be smooth enough. I'm sure I've calibrated it well and the problem is from projector ...

Hi everyone.
I have a problem and I don't know how to solve it. It seems whatever I do, My projector over cures my parts in the x,y direction. Can anyone help me with it?

Can anyone help me to figure this out? I used the B9 cherry with an acer projector. It cured the resin but with really high exposure time. It failed but the details of the remaining parts were really amazing. But then I used the vivitek, It couldn't cure the resin so as some people advised me, I too...