My favorite tool
 

Have you tried Bloc-Loc? A game changer. Make your half Square triangles a tad larger and use the template to trim. Perfection every time!

I wondered how those worked and thank you for excellent photos! I can see i need that!!

It took me a few tries to figure it out but now it's my go to ruler for HST. The way I remember is Logo to the Low side.

They are great rulers and worth the money. I add an inch to the finished size I want, mark a line on the diagonal and stitch 1/4” on both sides of that line. Cut on that line and then trim on the bloc loc ruler. Perfect! I also like to do 8 HST at a time.

I purchased a set of three a couple of years ago...they are my favorites for HSTs.

Have them and love them too!

I think I have every size for the HST's and the Flying Geese.
Love them. :thumbup:

I have used them for years and love them! Wouldn't do this without them!

Hmmm . . . it looks like these are something I'm going to have to look into getting . . .

I always thought the Bloc Loc ruler was just another one of those rulers that I thought I needed but wasn't that useful. WRONG! I used someones at a guild sewing day. OMG wonderful. I pulled out my phone and ordered one right away. This is one of those rulers that is worth every penny I paid. I have heard their flying geese ruler is good also but have never used one.

What is the most useful size as I’d like to try them?

Wow they've added more sizes since I bought mine. Don't think I would need anything
bigger than the 6.5". I use the 2.5 and 4.5 most often. It would depend what size block
you usually make. Pick a pattern and go from there.

I purchased a set last year and have been very happy with them! So far I've used the 2-inch and 5-inch ones. You can use a larger ruler on a smaller block, but not a smaller ruler on a larger block, so if buying only one, get the size just larger than what sized unfinished block you think you'd need.

Yes, they were a game changer for me. Love them!

What is it about the Block-Loc that makes it exemplary to others for trimming blocks?

The ridge along the diagonal fits securely against the diagonal seam of the HST, so it's not likely to slip and it's easy to measure accurately. You also only slide the ruler along that seam to change from one pair of sides to the other.

Love love them!!

Looks like something I need to find.

I love the conversation this thread has sparked!

Maureen NJ how do you figure how much fabric to make 8 HST?

I'm going to take a look at them at Road2CA this weekend.

Not Maureen, but here's a chart from BlocLoc to make 8 HST's at a time.

http://blocloc.com/wp-content/upload...rt-for-HST.pdf