ZooHead's Tool Tips

Nope - I tested with AA=1.0 before I was replying:

This is a spline coming from Inkscape`s "adding-nodes"-feature:

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I stand corrected.

It is more precise set to 1 than the default of 5
and in my example they are all the same distance.

With smaller segment the difference doesn't show up.
This is a trick for creating splines with regularly spaced control points- Cheetah v7.5b1
This trick requires Hiroto's fantastic PolygonToSpline script to extract a spline from polygon edges

I wish I had seen this trick a week ago (while I was working on a 'worm' project)!
Thanks for sharing.
--Shift Studio.
Here's a tip about the Smooth Angle of a polygon object.
Technically it's not a tool but, with the power it has it deserves a place in the old brain box.

This tile pattern turned out to be a perfect example to illustrate this.
For an extreme closeup I would use a Subdivision Modifier which
would send the polygon count through the roof, but for medium
to far shots just adjusting the Smooth Angle may give surprising results.

I made three renders with 30, 40 and 50 degree smooth angles.
Nothing else was changed and I used the Falcon renderer.
The first image shows the best of the three which was the 40.
Remember no subdivision used.

Smooth tile 40.jpg

See how much flatter the 30 looks, and the 50 starts to show some artifacts around the hex pieces.

Smooth Angle Variation.jpg
Using the Transform Modifier for making repeating patterns.

With the Transform Modifier placed before another modifier
like the Array Modifier, you can move and rotate an object
into close proximity or an entire array with a
second Transform and Array Modifier.

The idea is to get them as close as possible so that the
Optimize command will weld them together all at once.

Based on the previous project I'll show various selection
tools and techniques to make modeling more enjoyable.

In the first one, I'll use the Fill Hole Tool to deliberately make n-gons so then I can then use the
Select n-gons and Convert Selection to Edges commands to make creases.

Once the tiles are repeated, selecting the "grout" lines
is one click easy using the Group Select Tool.

You can also use Seams in the same way.