Digital angle finder for bespoke shower measurement

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Hi,
I am ordering a bespoke shower screen for an alcove shower, angle door and side screen.

I have to supply digital spirit level readings and the angled ceiling angle.

I have seen there is an abundance of Trend devices etc. I do a lot of wood working so wouldnt mind haveing a device like this but dont want to remortgage the house to buy one.

Any recomendations?

Cheers
 
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Surely you would want something that measures the contour of the ceiling not just the angle of a small section of it?

There is nothing that a bevel and a protractor wont achieve, and I can't see way you need to provide a "digital spirit level" reading.

I've had one of those cheap metal /digital angle finders from Lidl/Aldi/ebay for many years now and its accurate and does anything any similar Trend device does
 
Thanks
Its not the countour. Ive checked everything is extremely plumb and level, I was fussy when I put it in and my tiler has extreme OCD.

All I need to measure is the angle between the wall and the sloped ceiling. and they are going to cut glass to match so was looking for something at least 500mm long I think
 
Sometimes this baffles me, but other times it is useful Combi Square | Hultafors Tools . But its not 500mm, in which case there are 600mm metal angle finders which will do, and are less than £20


upload_2021-5-20_16-23-53.png
 
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Can't you provide them with a template or is it an internet based site?

If not, why don't you use two long lengths of timber, screw them together at the required angle, then, as woody suggested, use a 50p protractor to work out the angle. The advantage of that method is that you reduce the risk of later discovering that one of the surfaces was slightly irregular or curved.
 
There are phone apps which will give angle.
Also if the enclosure fits floor to ceiling it will need really good ventilation to prevent mould build up.
 
It's far easier to measure distances in a straight line with a tape, than angles, so just measure the triangle from bottom of wall, to top of wall, to top of sloping ceiling and calculate using trig. You'll have the angle absolutely precisely. https://www.mathsisfun.com/algebra/trig-solving-sss-triangles.html

I agree that trigonometry is invaluable but if faced with the following

trig.jpg

You need to be sure that your tape measure is perfectly vertical when measuring A.

Assuming that B and C are a right angle, I would rather know the lengths of B and C, and then use a protractor to calculate the lengths of A and D.

IMO the advantage of using two straight lengths of timber to calculate the angle between C and D is that it will be come obvious if either dimension is bowed.
 
You need to be sure that your tape measure is perfectly vertical when measuring A

No you don't.

triangle.jpg


If you measure A,B and C you can solve the triangle for angle AB. The angle is the angle no matter whether A is vertical or not. Of course, use straight edges and squares to check that the walls are straight! You can find side-side-side triangle solving calculators online easily enough.

triangle2.jpg

In fact, if you also measure the red triangle and calculate the angles, and dimension the green line, the glass will fit, even if the room is not plumb. This is far more accurate than trying to measure angles because you can measure lengths to the mm, which will change the calculated angle by fractions of a degree.
 
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No you don't.

View attachment 234671

If you measure A,B and C you can solve the triangle for angle AB. The angle is the angle no matter whether A is vertical or not. Of course, use straight edges and squares to check that the walls are straight! You can find side-side-side triangle solving calculators online easily enough.

I stand corrected. You are right.

∠A = invcos(b*b + c*c -a*a)/2bc


Which will give you the answer in radians that can be converted to degrees.

I really do not recall learning that during my A level maths, that said it, was a very, very long time ago.
 

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