Len Krenzler's Sketchbook

A long time ago in an uncomfortable chair relatively far away, I stared at my first Amiga. It was a 2000 with no hard drive because I spent all my money on RAM because with more RAM, impossible things became possible, but with no HD, you could still do the same things, but it was just slower (a lot slower). After seeing the “Juggler” animation I was hooked on raytracing and determined to explore.

To make a long, dull story longer and even more dull, I went to school for mechanical engineering. After graduating I found the job market at that particular time was nearly non-existent. So… I pushed my Amiga to do things it probably wished it never had to do and made a business of 3D animation. I eventually joined a small production house and spent nearly two decades there. On the side I made a business of WWII aviation art printed on canvas. I started with Imagine, graduated to Lightwave, and then to Softimage. I loved Sofimage but it’s days were numbered. Things were good for a long time but as always in this life, nothing stays the same.

I ended up resurrecting what I thought was a long dead career in engineering using mostly Solidworks and Inventor. I had always wondered what modeling in a solid modeling system was like, and after what seems like a million hours doing it, I think I have all the info I need on that subject.

Engineering does a good job of paying the bills but it can be tedious, stressful and rather dull at times. I miss visualization and raytracing in particular. That led me to start a long and casual look for a replacement for Softimage for the day I retire and have the time to do what I want. I finally decided Blender is definitely the one for a whole lot of reasons. I really do like it, especially cycles.

I figured I’ve hung around this forum long enough I better start a sketchbook and get started. So here goes…any tips, hint’s criticism, etc. most welcome. Don’t worry, I have a thick skin. I like to learn.

This is the first thing I’ve done for fun in Blender. I did a few industrial animations I’ll share later learning only what I absolutely had to know but this is for fun.

This is a watch I originally modeled in Softimage, my very favourite watch. I wanted to get used to lighting, texturing and rendering (since most of my modeling will likely still be in Inventor for the near future). I was never thrilled with the original render in Mental Ray. Cycles is astounding to me with it’s nearly instantaneous feedback. Something we could only dream of in Mental Ray. Just a few hours of playing around and I already like it a lot more than the original.

I haven’t calibrated my monitor so let me know if the levels are off. Comments most welcome! I need to do some work on UV’s and a few details to start for sure.

I had seen Smoke Studio and it looked like so much fun I had to try it and this was the perfect excuse to play with it. I like this a lot. Let me know what you think. Cheers to a new adventure!

Here’s the original from Softimage:

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Trying to figure out how to get rid of some ugly blotchy shading in this area.

Hi, it could be because denoising?

Quite possibly. I’ll do some testing tonight on it. Thanks.

If that is the case, personally I found very flexible to use it only in comp. That way you have so much control on it.

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Hmmm. I’ve found that my knowledge of compositing approaches 0 as my calculus instructor loved to say.

I’m testing that but the controls for denoising seem the same. Do you mean by masking part of the image out of denoising or something?

Other tests showed that changing back to classic instead of blue noise helped. I suppose that makes sense as it seemed blue noise was meant mostly for low sample rendering.

It is something to do with roughness on the floor/background. Reducing the roughness drastically helped and I kind of like the look so maybe I’ll go with that for now.

I did figure out how to add a bit of glare which is OK I think. Any other compositing tips for those who know almost nothing?

Thanks!

Exactly. One example: when I had to work with tiny details and too low samples it’s been helpful to control denoising intensity on some image parts (often it occurs to me with towels/mat/hairy things where denoising will destroy everything).

Interesting. Thanks for the tip!

Playing around with smoke colors and a few other things. I think it’s getting close (or close to my attention span limit) for this one. Not sure which color I like better. I’ll have to sleep on it. As I get older, there’s a lot more things I have to sleep on I find…pretty soon it’ll be more sleep that work.

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I will recommend Turbo Tools to you. Not only is rendering much faster, but it has built in solutions for denoising problems like yours. I got half walls black and splotchy and it’s basically the click of a button before rendering, and I also just started with the compositor - it also works from within there.
The compositor is something I ignored for almost 20 years. Don’t make that mistake!

Thanks for the tips! I’ve looked at Turbo Tools a couple times but wasn’t sure if it was as good as they claimed and didn’t know anyone that had it. Nice to hear about it from someone that uses it.

I used special Blender builds before, but that caused me to sometimes not get support for addons, since devs only support vanilla Blender. Turbo Tools is an addon, and other devs went out of their way to make it compatible, like Renderset Pro, for example!

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I have no active paying projects at the moment but I’ll definitely try it when I do. Thanks!!

The next little project for fun will be this one. Same thing, done in SI a long time ago but I was never happy with how the drink looked. Here goes (at a snails pace). We’ll see if I can do better this time…of course, suggestions most welcome.

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he bottle & glass in general, imo, is very good, and so is the lighting, the background spots look at little like there’s a gradient on them, not soft shadows. The reflection on the Martini glass is somewhat distracting and you’re right about the drink - I haven’t done something like this in a decade, I’m guessing IOR, and simulate the surface tension on the liquid’s edge a bit!
This is purely from a photographic viewpoint. It will be looking great!

All correct observations, each needs to be fixed this time around :grinning:

Thanks!

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Had a few minutes to play around again with Smoke Studio. It’s just so fun. I kind of like the color on this one.