Safety Barrier

When I sit down to create a new model, I try to come up with something that will be helpful to someone creating a complex scene. Today’s addition is a safety barrier. These barriers are often used in industrial settings or somewhere that needs crowd control.

It was modeled with curves in Blender and then converted to a mesh. The material is very simple. It’s a yellow, non-metallic surface with some procedural bumps to make it look like paint.

Safety Barrier available at CG Trader

Photogrammetry for Old Machines

When I am tasked with modeling old equipment, I like to do a photo scan (photogrammetry) first. This allows me to go back when I’m done with the design and compare important features. If you have ever made a part and then discovered it was off by 1″ when you went to install it, you’ll understand the value of this.

I once designed a bracket for a generator. I used a tape measure to draw the as received part. Normally, when I use a tape measure, I don’t use the end of the tape. I just don’t trust that the end isn’t bent or the slot in the tape that allows the end to move 1/16″ isn’t damaged. I line up one edge with 10″ and then take the measurement subtracting 10″ from what I read on the other end.

Well…I use 10″ now. I used to measure by lining up the first edge with 1″ and this created the problem with the generator bracket because I forgot to subtract the 1″. The bracket was about 20″ tall and I forgot to subtract the 1″ from the measurement. If I had started with 10″, my error would have been obvious when I was drawing the new bracket.

The lesson learned was that initial measurements are sometimes wrong. If you are modifying a design, that initial photo scan can tell you alot.

So…today I scanned a fluid drive. This is an old American Standard Size 315 Gyrol fluid drive. The size “315” refers to the diameter of the oil circuit inside the fluid drive where 315 = 31.5″.

Even though 99.999% of artist don’t know what a fluid drive is or how it works, they may find the old authentically dirty look an interesting addition to an industrial scene. I didn’t do much work after scanning it. So if you want to use it in a large scene, you may want to decimate it a bit.

Platform Truck

I took a break from creating CGTrader models for a while. When CAD work fills my day, it’s hard to get motivated to do even more drawing when I get home. Fortunately, I have a job where I wear many hats and lately I have been doing more Photoshop and Blender work, and it has inspired me to get back into Blender modeling.

I have started modeling again.

Today I modeled a platform truck. The only place I have ever seen these trucks is at Home Depot or Lowes, but maybe it will come in handy for someone.

platform truck 3D model

Residential Oil Tank

My day job has me designing an oil recovery system for a hydraulic coupling. It’s a complex oil system that uses a residential oil tank. I was surprised to find little in the way of online resources for such a common architectural 3D asset.

So I spent a little extra personal time on this model. I modeled the tank in Blender 2.9. It’s a 275 gallon Granby vertical oil tank. It is available at CGTrader:

Continue reading
Knurl Photo

Blender Tutorial: Knurl Mesh

Knobs have knurls. A knurl is that hatch pattern found on cylindrical surfaces. They are easy to create on a lathe and, believe it or not, it is easy to model in Blender. Here’s how.

These instructions are for Blender 2.8

Start with a cylinder. Shift-A, Mesh, Cylinder

Blender Knurl Tutorial 1

Set the cylinder parameters to a radius of 1 with a depth of 2 and 60 vertices. Select nothing for Cap Fill. Continue reading

Resistor Collection

Wasting time is such a waste (duh). Once you have modeled an object, it is great to have a library of part. The question is…how do you organize them in a way that you can find the part you need and easily import the part into you new design.

Today was my first attempt a building a library in Blender. I created a Blend file with 57 different configuration. There are 19 different resistance values (as indicated by the resistor color code) and each resistor is saved in 3 different mesh forms. The first form is straight. The 2nd form has both terminals bent at 90 degrees for horizontal mounting on a breadboard. The 3rd formation has one terminal bent to 180 degrees for vertical mounting on a breadboard. Continue reading

3″ Check Valve

I posted a 3″ Swing Check Valve on GrabCad today. Within a couple of hours, it got 6 likes and 3 downloads. And if you didn’t know…all downloads on GrabCad are free.

This valve is manufactured by KITZ. It has class 300 raised face flanges and the body is made from cast stainless steel. The face to face dimension is 12.5″.

The KITZ number is 300UOAM3 316SS GRAFOIL C.E.

The model does not have any internals. You can use it for system design.

Continue reading