We were thinking of replacing our worn and poorly cut ceiling moldings. But the more I read about it, the more I realize that it's not just about putting up new moldings, it's apparently also associated with a lot of frustration, cutting angles, and a 10-year education in mathematics/angles.

But at the same time, we bought the house with the desire to dare and do things ourselves in terms of renovation, etc. So my question is if one embarks on that doomed project of replacing moldings, will these tools remove the frustration from the project and actually make it fun? Do they work as intended and are they a good helping hand?

Here on byggahus there's a tool designed to ease the angle cutting:
https://shop.byggahus.se/products/listjiggen
But in the description, it states that it cuts at exactly 45 degrees, and when I read about others who have taken on this, that's one of the problems, that the angle in the corner is almost never exact. Has anyone tested this and can give an opinion on whether it works well?

There is also a tool called Onecut that seems interesting; has anyone tested this, does it make cutting moldings a delight?
https://www.clasohlson.com/se/Mätverktyg-Onecut/p/Pr406004000

What does it add beyond a regular angle gauge?
 
I usually work mostly with test pieces. I save a lot of scrap pieces that are 20-30 cm long and test cut them first.

It's quite important to have a good saw. I have a cheap Scheppach that is sturdy and works well for the rougher stuff, but when it comes to fine carpentry, it causes a lot of headaches. Mediocre adjustment, a blade that wobbles and doesn't really line up can sometimes make the cuts banana-shaped. I'll probably get a new saw of better quality next time I work with moldings.
 
You can get far with a standard miter saw that isn't too wobbly, it's important to get a saw blade designed for fine cuts to achieve good results. Using test pieces as @Stuff mentions is a good tip. Make a couple for inner and outer corners to avoid forgetting how to make the cuts each time.

Better a good manual miter saw than a cheap miter saw.

If you're painting the moldings, you can also hide imperfections with a bit of painter's caulk and still achieve a perfect result.
 
Simple thinking... the table is the ceiling and the arrest is the wall. If you place the molding, it's just a matter of cutting, e.g., 45° if the wall is 90°.
Outer corner. Angle from the piece that is to be mounted.
Inner corner. Angle towards the piece that is to be mounted.
 
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runjes02 and 1 other
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Absolutely, if you have moldings that need to be mounted in a certain direction (up/down) going from outer corner to inner corner, you just need to keep your thoughts in order :D
 
JanneJanne123
Don't settle for just cut moldings. Learn to cope them to make it even better. A coping saw and a sharp morakniv are needed in addition to a miter saw. Besides a bit more time, that is...
 
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