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by tim.yoshi
Thu Dec 08, 2016 5:35 pm
Forum: Photo Gallery
Topic: New figure models
Replies: 17
Views: 5330

Re: New figure models

Oh wow! What a names! Awesome work!
by tim.yoshi
Thu Dec 08, 2016 5:26 pm
Forum: Photo Gallery
Topic: Recent prints....
Replies: 425
Views: 109817

Re: Recent prints....

Bravo! Awesome work, especially photos are just awesome!

What are your post-printing procedures now?
by tim.yoshi
Thu Dec 08, 2016 5:08 pm
Forum: Photo Gallery
Topic: Initial prints 2 year old cherry resin
Replies: 5
Views: 2191

Re: Initial prints 2 year old cherry resin

Congrats on that Dennis! That confirms the theory that B9R resins kinda do not expire. Regarding PDMS fogging - in general, the lesser details are on print, the less you should worry about PDMS cloudiness. The more intricate, small, sharp and detailed it is expected to be - the more you should keep ...
by tim.yoshi
Thu Dec 08, 2016 4:55 pm
Forum: Photo Gallery
Topic: Bite my shiny resin ass...
Replies: 4
Views: 2111

Re: Bite my shiny resin ass...

What xy and Z? The more an object tapers in the z direction the more "stepping" will be seen. Remember u are stacking layers. Larger changes in the size of the "footprint" of the next layer will show layering more in the case of your tapered cylinder. Thinner layers help but wil...
by tim.yoshi
Thu Dec 08, 2016 4:26 pm
Forum: Photo Gallery
Topic: One of my finest creations is getting married Sat.
Replies: 10
Views: 4008

Re: One of my finest creations is getting married Sat.

Congrats! That's really cool and emotional!
by tim.yoshi
Thu Dec 08, 2016 4:24 pm
Forum: Official News and Updates
Topic: Model cure questions
Replies: 43
Views: 10622

Re: Model cure questions

I'm curing all my casting models only in mineral (baby) oil instead of water. Moreover - I heat dry models before placing them in oil. The theory behind it - water should evaporate and oil kind of seal model from the environmental humidity and other deadly VOC's floating around up to the moment of c...
by tim.yoshi
Thu Dec 08, 2016 4:20 pm
Forum: Official News and Updates
Topic: Introduce Yourself
Replies: 77
Views: 19936

Re: Introduce Yourself

Hello fellow B9ers! Dennis Harroun here. Its been an awfully long time and Im excited to be here again. Life and the amazing things it entails took my interests and time away from utilizing my B9 but I'm glad to be back and would like to get back up to speed using my new AND old B9. I guess this is...
by tim.yoshi
Thu Dec 08, 2016 4:12 pm
Forum: Operation
Topic: Another Support Suggestion
Replies: 5
Views: 1846

Re: Another Support Suggestion

And here goes my another 5 cents :) To compliment all above stated - you can place as many supports as you want and then choose all of the simultaneously either by holding CTRL button on the keyboard or in support list and apply desired settings/parameters to all of the supports. P.S. Hello akgold :)
by tim.yoshi
Thu Dec 08, 2016 4:09 pm
Forum: General Discussion
Topic: Grid perfect but Print fails
Replies: 28
Views: 4486

Re: Grid perfect but Print fails

My 5 cents - try something simpler to print, increase supports size, increase MSM to 2.5, slice 25-30 micron, double check focus on projector. Hope this helps.
by tim.yoshi
Thu Dec 08, 2016 4:04 pm
Forum: Tips & Tricks
Topic: What's new here in the past two years and what is the trends?
Replies: 3
Views: 1366

Re: What's new here in the past two years and what is the trends?

B9 Model Cure is great. Curing most prints in 2 to 3 minutes. Unit is $495.00 US. Printing with Emerald green and yellow resin. Both fast printing and no solid pigments. Easiest to cast of all the B9 resins. No settleing of pigment, only some stratification, if sits for a few hrs. Robert Howle Glad...
by tim.yoshi
Tue Dec 06, 2016 1:07 pm
Forum: Tips & Tricks
Topic: Bottom line to all of my experience
Replies: 18
Views: 4908

Re: Bottom line to all of my experience

I just printed and installed Tim's sweeper mod. I stretched the springs a little and I'm running it right now with the brackets in their normal position. The sweeper is at the top of the slot and it rocks a little when the vat changes direction but it hasn't popped off the bracket (yet). However, i...
by tim.yoshi
Tue Dec 06, 2016 1:01 pm
Forum: Tips & Tricks
Topic: What's new here in the past two years and what is the trends?
Replies: 3
Views: 1366

What's new here in the past two years and what is the trends?

Hello, it's been awhile sine my last visit. Unfortunately, I had some major factors to solve and quite tight time budget mostly setting up business issues and other things. So, what's up guys? What interesting have you discovered in my absence? :) What are the current trends? Most of all I'm interes...
by tim.yoshi
Fri Feb 13, 2015 1:11 pm
Forum: General
Topic: PDMS thickness
Replies: 3
Views: 1342

PDMS thickness

Well maybe a dumb question, but why we should do PDMS in the way it is? Does anybody tried to coat/test/print on PDMS way thicker than usual, or maybe thinner? Maybe thick PDMS will allow for a prolonged life due to more oxygen "reserve"? This question is firstly to Mike. I guess you teste...
by tim.yoshi
Fri Feb 13, 2015 12:59 pm
Forum: Official News and Updates
Topic: Vats out of stock
Replies: 53
Views: 16946

Re: Vats out of stock

Ok, cool idea.
But how about temperature? With once again plastic VAT there will be no way to cure it in the oven in minutes.
I was just about to order/make metal VAT and it all changes just around my nose. I'm behind the times :)
by tim.yoshi
Fri Feb 13, 2015 12:48 pm
Forum: Troubleshooting
Topic: Need help with printer settings for v1.1 / v1.7.3
Replies: 1
Views: 1007

Re: Need help with printer settings for v1.1 / v1.7.3

try to play with balance. This should help a little. There is a lot of threads over there about it.
Also if you do want to boost dramatically - then you can take out UV filter from lamp. Do it on your own risk. This could boost 2-5 times and once again - there is few threads about it.
by tim.yoshi
Fri Feb 13, 2015 12:46 pm
Forum: Operation
Topic: Feature idea - different thickness layers
Replies: 1
Views: 965

Re: Feature idea - different thickness layers

I proposed that time ago but
a) hard (or very hard) to implement
b) material will hardly allow you such a difference in the slice thickness. Maybe 50-35, 45-25, but I doub't more.
by tim.yoshi
Mon Feb 09, 2015 4:49 am
Forum: Photo Gallery
Topic: Puzzled yet again
Replies: 35
Views: 6306

Re: Puzzled yet again

Well for me it's for sure the hot spot problem. You could calibrate by either my old model made for v1.1, or original one made by Mike and in fact located in everybody's computer at "C:\Users\YOUR-USERNAME\Documents\B9Creator\Calibrations" (windows 7 My Documents folder). Or even just make...
by tim.yoshi
Sun Feb 08, 2015 1:47 am
Forum: 3D Printing
Topic: mcmaster, STL
Replies: 1
Views: 1108

Re: mcmaster, STL

Cool. And if you have access to metal printer you don't have to order part at all :)
Especially helpful if you are on some space station and the whole this station is made from McMaster parts :) Or even self-replicating space station, kind of von Neumann probe...
by tim.yoshi
Sun Feb 08, 2015 1:27 am
Forum: General
Topic: Resin Shrinkage or Z-Banding
Replies: 2
Views: 1325

Re: Resin Shrinkage or Z-Banding

Also could it be that your Z-axis motor skips some steps. Maybe try to inspect wiring of the stepper and connector to the shield.
by tim.yoshi
Fri Feb 06, 2015 8:59 am
Forum: Troubleshooting
Topic: PDMS tearing
Replies: 4
Views: 1329

Re: PDMS tearing

But maybe you just overcuring it?
Maybe lower MSM to 0.9 or even 0.8. See if it works (models came out good), then it will def lower the PDMS fogging and sticking.

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