Dividing Angles for Woodworking - Old School Compasses Method!
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- เผยแพร่เมื่อ 20 เม.ย. 2018
- Today we're looking at how to divide or bisect angles using a pair of compasses - this is an essential woodworking skill. There are numerous methods of bisecting angles, this is just one of them. Other methods include using two parallel pieces of wood, a digital angle finder or a mitre gague with in-built angle splitter - I'll cover these in future vids. I find this method is one of the most accurate ways of doing it and especially handy if you need to cut the angles off-site.
Here's some affiliate links to products I use or would consider using - read more about affiliate links at the bottom of this description:
Silverline Adjustable Bevel / Angle Finder: gosforthhandyman.com/uk-links... (UK)
Swanson Sliding Bevel: gosforthhandyman.com/us-links... (US)
Bosch Digital Angle Measurer and Mitre Finder: gosforthhandyman.com/uk-links... (UK)
Bosch Digital Angle Measurer and Mitre Finder: gosforthhandyman.com/us-links... (US)
Drawing Compass: gosforthhandyman.com/uk-links... (UK)
Drawing Compass: gosforthhandyman.com/us-links... (US)
TOOLS & PRODUCTS I USE: gosforthhandyman.com/products...
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I sometimes use affiliate links - these don’t cost you a penny and help to keep this channel going. Read more about affiliate links here - the fairest way of funding the internet: gosforthhandyman.com/affiliat... - thanks so much for your awesome support!
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As a newbie to construction, carpentry and shingling, this was really helpful for a new garden area I made. Thank you sooooo much!!!
Dude! You're a life saver. I've been wracking my brain back to high school on how to do this to finish some quarter round trim on a really odd angle. This helped so much! :D
The last part where you butted the top of the sliding bevel to the underside of the MDF pieces, and it fitted snug as a bug, was so satisfying!
Thanks Andy, its good to watch a video like this to refresh the memory. Thanks for putting the video out!
Thank you so much, Andy, for this tutorial. I live in LA but I'm from Stockton and I said to myself, 'trust a Geordie to make it simple to understand.' Great job! Now the missus is going to think I'm even smarter still when I'm building stuff around the house.
Great video dude! Thank you for the post. I have digital angle finder but it’s always good to know the basics.
Just what I needed to know. Replaced roofing felt and old fascia boards on garden shed - thanks.
Thank you. Installing baseboard up a staircase. This made it so much easier.
My dad taught me this, back in the day. Good memory - thanks!
It's a handy one to just know - useful for a lot of stuff! 👍🛠
Thank you Andy for a brill explanation of dividing angles using the traditional method, which lets face it is fail safe
Excellent straight forward info, great video
Just bought a sliding bevel gauge and this is very useful. Thank you.
Learned to bisect angles in high school geometry class. By far the most useful class if your interested in building things. In reality it’s so much easier to use an angle finder but it’s nice to learn how to do it manually.
Great tip Andy, love the channel, recently discovered from Peter Millard Channel.Really like how most projects are related to jobs we can all tackle and relevant to the Uk.
Cheers for the kind words! 👍
Thanks Andy, great video. I found it a good refresher and I would hammer the point about transcribing the angle on to paper or even a piece of wood scrap if you are taking it away. I have lost my angle a number of times early on and learnt the hard way to do this. Thanks again, Bob.
Cheers Bob! 👍🛠
I SHOULD have remembered this from high school geometry.
Thanks for the great video.
great tip, Andy. as a beginner woodworker, this is exactly the type of information i find most useful! thanks
No worries - cheers! 👍😀
That was a superhero level explanation of how to do this! Thanks so much!
Awesome information and it explains why I had so much trouble on my deck stair railings. Thank you
No probs and hope you get your railings sorted! 👍
Thank you for this illustration. really it is of good benefit for me.
Very well explained! Thanks so much for sharing
Thanks very much for sharing, Enjoying the podcast with Peter M as well, so thanks v much for that too!
Cheers - glad you're enjoying it! 👍
Brilliant, thank you for sharing your knowledge and skill, much appreciated,
regards, Chris.
I found that really interesting and beautifully explained, thank you
Brilliant explanation and illustration 👍
Great video. As you explained it, I remembered using that technique in geometry class, but I had not used it in my shop.
It's a handy one to know - sometimes the only option! 😀👍
That's what we called Construction Loci. Awesome application!
Brilliant explanation, thank you!
I found the whole video good. Great tips. Thanks. These things always look easy 'when' you know 'how'. if you don't then that's another piece of great information shared. 😉
Cheers Mike! 👍🛠
I SO wish I could have found this video a week ago when I was trying to learn about this very topic! I got it figured out but it was a painstaking effort as everyone else seemed to make it more difficult (at least for me). Thank you for your time and talent. Can you also do one on figuring out compound angle cuts that are not for crown molding but instead but joints?
No worries! 👍
For me personally Very useful video.
thank you
Best regards from Israel..
I hope all of us will help each other always.
Thank you very much, and have a great and fantastic day!
Great video mush , yeah old taught me that . Easy but still a great view . Many thanks
Great listening to you mate. Thank you. 👍👍👍
Cheers for that Andy, as a DIY'er Thats come in very handy mate
Thanks for the informative information, was going to buy an angle finder today but it was £57 , I'm panelling hall stairs and landing , the stairs have tricky angles 👍
What a great floorplan pic at the beginning!
Great tip. Thanks for sharing.
really good tip and simple to follow cheers
Cheers - no worries! 👍
thanks Andy great video and tip. see you at the NEC next month
Cya at MC! 👍
Very helpful. Now I know how to cut the perfect angle!
Very good tip Andy!!
👍🛠
ian black ii
Great video. Your a great teacher.
Cheers Chris! 👍🛠
Love your coffee mug, I will be finding one of those now
Brilliant work. Thank you
Your video really helped me. Thanks
Fantastic mate. God I needed this a few months ago.
I wish I found this tutorial before cutting and ruining my project
thank you so much for simplifying it.
Very informative video. Thanks.
thanks, this was incredibly helpful
I just found your channel! Great stuff! Subscribed!
Welcome to the channel! 👍
On the Kapex this feature is build in, but it is always good to know how you can do it without the fancy tools. great video.
Never tried the Kapex - looks nifty! 👍😀
maybe you can try it out at your podcast buddy's shop 😉
We think alike.. I said aloud "compi" (plural for compasses) moments before you.. was weird to hear you say it after. haha! Thanks for the video, man.
Thank you. Nice explanation.
Great tip. Divided no angles has caused me no end of pain lol ..thanks again 👍
No worries! 👍🛠
I’ll be showing this to my year 11 GCSE students. Love a bit of real world Maths
Great stuff! The 3,4,5 rule is another one I use all the time for getting big right angles - might do a vid on that at some point. 😀👍
Better still create a mock up of a wall and pretend the task is to install baseboard molding . 8 pieces of 2x4 6 inches long and a scrap of drywall and an obtuse angle would bring it to life. Hated math because teacher never made it practical not so much trig but Calculus they butchered Calculus.
Great video well done mate 😊👍🏼
Cheers bud! 👍👊
Perfect timing. I need this next week. Lol
👍🛠
Gosforth Handyman try
Top tip.
I was taught slightly diff at college 2 yr ago. Draw your lines so they over cross and draw line from the meeting point , but thisnis actually jus as good if not better. Jus need a decent compass. Habenyih seen some prices !
I bought a sliding bevel bacho brand where the tightening nut wasnon the end so doesnt get in way. Keep vids coming boss
Good one! Yeah, this is a Stanley bevel and it's about 40 yrs old. I still persevere with that nut getting in the road. 😂
Gosforth Handyman Put a washer underneath the clamping nut.👍
Great tip.
Thank you.
No worries! 👍
Neat trick... I was wondering after tracing the original angle if folding the paper on both lines would divide it and give you the angle also without using the compass.
Good explanation. Another method would be to use a ruler and a square to draw perpendicular lines to your lines, the same distance away from your apex; where the lines cross, you have your intersection that you can connect back to your apex to bisect the angle. This is basically the same method as shown in your video but is handy if you don't have a pair of compasses and do have a square (or a sheet of A4 paper).
Yup - covering that one in a future vid (or a similar method). 👍
Master of the Universe. Thanks.
Thanks for the great tip.
Nice job brother.!
Wow, that's a great tip!
👍🛠
Good job man 👍
Old school draftsman. Love it
Dang having flash backs of school.
This method is also a good visual to understand how laying a bisecting cut angle works when cutting a sheet material into any triangular shape such as would be done when sheathing a bay window for example.
Very helpful..weldone man...thx
Great video
Nicely done. I just put the wooden half of the bevel gauge against the edge of whatever I'm using to draw the arcs on, draw the line and carry on as you did, instead of lying it on top, that allows the possibility of inaccuracy because the metal blade isn't on the surface when you draw along it......if you know what I mean.
Good tip! Don't you then have to have the tip of the compass on the very edge of the piece of wood? If it works, it works! 👍😀
Yes, it works if you're careful, or if you don't fancy it finger scribe a line along the edge a couple of mill in.
I'm doing work out of my trade. Simply to have work. So building pergolas, brick paving and anything that comes along. I recently helped a structural engineer replace a box gutter. Great tip I love it and so simple.
I have that angle finder similar as you have made in Japan. I made one mess up on one cut as I read 38 degree. The angle gauge read back 50degree and 40 degree so I took the wrong measurement it was too sharp. The person I was doing the job with preferred just scribing or marking the piece held up against the work. I have a winkler which is the festool 600mm angel finder also a bisector from the kapex mitre saw festool. Of course I didn't take this with me to do steel work.
Thanks very much for your invaluable utube upload. I could use this for cornice work also. While I'm at it years ago I put up cornice where one ceiling was on a rake and the other was level. Any suggestions?
Work out the pitch/incline of the ceiling from there you can work out a plumb cut for your mitre
Josh Brown thanks Josh . I will keep that in mind.
Josh Brown. Let's say one side is level and the left has a 20degree Rise. So 90 minis 20 degrees will give you a plumb cut. Is that right? I'm still working it out in my head and then thinking of dissecting. It's like I need to do a mock run.
Hiya, how about folding the paper along the line? Saves you readjusting the bevel gauge.
Alternatively, use masking tape, preferably a low tack one. Put two strips so they overlap at the angle. Remove and fold in half again.
😋
Yup! Another method - I never find folding the paper as accurate but it's just what you're used to. 👍
great tip, thanks.
Goop. Got to love the term goop.
Goopy. 😀👍
fine job lad, thank-you
This was awesome
I subscribed after you said "thingy". That's my kind of people.
Hi Andy, Im a handyman and enjoying learning from you. Can you film one of these doing skirting around a bay please. If you can. Regards. Paul Anthony
Great tip. I wish I could see exactly what you were referring to at the 2:00 mark (camera angle). Figured it out as we went along. Thanks....
Thanks for this watched other ways you made it simple as I am lol. But thanks.
Good job. Thx!
شكرا جزيلا أيها الأستاذ الرائع
Thanks man!
Thank you!
Parallel piece of MDF is the quickest and easiest method of finding the angle.
Excellent job! Men
Thanks… from an electrician🤩
Thank you sir!!!
Cheers doing dado friiday will give it a go
At college i was shown a slightly different way for skirting simply take something straight and parallel and place against both walls mark the floor then draw a line from the intersection of the walls to the intersection of the lines
Yes - going to cover that one in a future vid - it's a good quick method for skirting. 👍
Mornin' Angle!
👍😀
Gd one lad 👍🏻
Does that Bevel sit flush on the paper? I've been looking for one to do this with but I can't seem to find one that you can trace the angle with that sits flush. The blade seems to attach in the middle of the handle part. Any advice?
Brilliant,! 👏🏻👏🏻👏🏻👏🏻👍👍🇬🇧
👍🛠👍
Top Tip! ... Use a longer pencil or pointer so we can see what you're talking about on that drawing under your hands!!! :) :)
Brilliant
Thank you dude...
Very helpful!!!.
I even liked my own comment😂
But seriously now. A total thumbs up to you👍🏻