Best way to use Mega/Minion squares on Fixture Table

Hey Jason,
3 Questions:
1: Is there a good way to use the mega squares and minion squares on a fixture table? I would like to use them as I already have a decent financial investment in purchasing them.
2: When using a fixture table, does this eliminate the need to tack or to use a welding sequence when welding a project. In your videos, it doesn’t appear that you do either.
3: How do you use the “L” tabs on the megasquares?

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Thanks for the video. I understand weld sequencing, however I have noticed when using a fixture table, guys just plow. They start at one end and weld to the other. I was wondering if you no longer need to weld sequence or does the fixture table make it unnecessary? I’m thinking it would reduce the need to tack, but I have to wonder how much or at all.

Re: Megasquares: I have a half dozen of them and I was wondering is there is a logical way to use them on a table. This would reduce the number of fixtures necessary or even use the money to buy more fixtures by utilizing what I already have. It’s probably wishful thinking, but hey, I had to ask…

Thanks again for taking the time to send the video. I appreciate it.


You can use the squares on the table as an angular and dimensional reference. However the main purpose of the table system is to create a negative space that your finished part fits inside of. You can use your squares on the table top all you want but if you are not indexing the square to the table then you do not have any way to locate a part accurately to the square. The purpose of the L shaped tabs has its own thread in the forum. Using a fixture table correctly makes take mostly irrelevant, and weld sequencing does still matter when using a fixture table because pull and twist from heat distortion can still happen when fixtured properly, we have a video coming soon that will address this topic directly.

Hope this helps!

Thanks Wyatt,
The only thing I could think of off hand was to use a megasquare to support a vertical piece that was being welded to a secured structure on the table. This would assume you had no extension blocks that were long enough. Or something like that. I didn’t see a logical way to use them on a table, but it never hurts to ask.

Weld sequencing makes sense. I’m looking forward to your video.

We offer different tower blocks and risers to the tooth block system that allow for vertical support we should have a video up on 3D fixturing.