How do you mark and hand-cut black material?

[Dukenukem117]

What's a good way to scribe pure black material? Chalk? Pen? Tape? Blood? And other than big rulers, are there any tools or techniques for quickly measuring and marking a big rectangle?

 

[GAC05]

What's a good way to scribe pure black material? Chalk? Pen? Tape? Blood? And other than big rulers, are there any tools or techniques for quickly measuring and marking a big rectangle?

Flip it over, mark the backing, and cut until done or blood loss forces a stoppage.

 

[Bly]

Or white Stabilo.

 

[Dukenukem117]

Flip it over, mark the backing, and cut until done or blood loss forces a stoppage.

The material is all black both sides.

 

[Dukenukem117]

Or white Stabilo.

Does any brand's white pencil work or does Stabilo have some special sauce?

 

[GAC05]

The material is all black both sides.

Black banner? We use yellow grease pencils. In a pinch, crayons will work if you can get them away from the kids.

 

[ikarasu]

Grease pens work and wipe off easily.

What size and how many? If you're cutting a lot of the same size... Just cut a template out of something else and use it to do repeat cuts

 

[Dukenukem117]

Grease pens work and wipe off easily.

What size and how many? If you're cutting a lot of the same size... Just cut a template out of something else and use it to do repeat cuts

Sizes are a bit all over the map unfortunately, but most will be at least 4'x5'. I ordered the color pencils to see how that works as it seemed like the least messy way to start.

 

[ikarasu]

https://www.keencut.com/cutting-machines/vertical-cutters/steeltrak/ depending on exactly what it is you're cutting and how often you do it.... You could look into one of these, they're great and take up very little space