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Forum topic by Charlie81 posted 10-01-2020 01:52 PM 330 views 0 times favorited 9 replies Add to Favorites Watch
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Charlie81

9 posts in 28 days


10-01-2020 01:52 PM

Topic tags/keywords: tablesaw arts and crafts

I am trying to learn how to cut the angles for a raised or 3D star. and how to size them. Any suggestions will be
greatly appreciated. Been doing woodworking for several years but I am still learning.

-- Charlie J81


9 replies so far

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John Smith

2735 posts in 1049 days


#1 posted 10-01-2020 04:22 PM

welcome to the forum, Charlie.
what size are your stars and how many will you make ?
can you pull an example photo from the net to put us on the same page as you ?

.

-- there is no educational alternative to having a front row seat in the School of Hard Knocks. --

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SMP

2678 posts in 791 days


#2 posted 10-01-2020 04:30 PM

I was going to try to make some of these last Christmas but got overwhelmed and made some other things instead. Maybe this will hep get on the right track:
https://m.youtube.com/watch?v=N7hckWV84pM

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Charlie81

9 posts in 28 days


#3 posted 10-01-2020 05:03 PM

I am planning about 6, 8” Stares
trying to figure out how to get photo from desk top to here

-- Charlie J81

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John Smith

2735 posts in 1049 days


#4 posted 10-01-2020 09:16 PM

.

-- there is no educational alternative to having a front row seat in the School of Hard Knocks. --

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AlaskaGuy

6115 posts in 3195 days


#5 posted 10-01-2020 10:15 PM

Posting pictures

https://www.lumberjocks.com/CricketW/blog/114193

-- Alaskan's for Global warming!

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Charlie81

9 posts in 28 days


#6 posted 10-02-2020 03:18 AM

Hay it worked!!!
Thanks for the help

-- Charlie J81

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hockeyfan_019

46 posts in 118 days


#7 posted 10-02-2020 07:07 PM

I actually created a sort of “rotary jig” last year, where you would screw down the wood blank to the base, and there was a “angled plate” on top where you put your router in place with a flat-ended cutter. You just had to fix the router plate at say “12:00” on the base, work the router to hog off material around 1 “arm” of the star, then rotate the top jig by 360/5=72 degrees, then repeat for the other 4 arms.

In theory it works, and I created several this way, but I think you will find accuracy is the key to a good result. If there are ANY discrepancies in the angles from arm1 to arm2 for instance, the result looks wonky. I was trying to make them for a wooden flag project, but in the end I just used the best one I made, created a silicone mold, and then cast a bunch more out of resin and painted them.

Getting all the angles reliable accurate and repeatable is very tricky for such a project. Good luck though!

-- Most of my tools are older than I am

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MrUnix

8243 posts in 3085 days


#8 posted 10-02-2020 07:44 PM

A quick google search for 3D stars on this site (lumberjocks) turns up a lot of info. I know that there are a couple members here who make quite a lot of them, and I’ve seen several discussions about them over the years. The first few search results turned up Aggie’s blogs on the subject, which has some good reading:

3D Stars #1: Program for Calculating Dimensions and Angles for 3D Stars by Aggie69

3D Stars #2: Compound Angle Cutting Jig with Hold Downs for a Radial Arm Saw

3D Stars #3: Making 3-D Stars

Plenty more where those came from… enough to keep you busy for a while at least :)

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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northwoodsman

392 posts in 4632 days


#9 posted 10-02-2020 08:25 PM



I was going to try to make some of these last Christmas but got overwhelmed and made some other things instead. Maybe this will hep get on the right track:
https://m.youtube.com/watch?v=N7hckWV84pM

- SMP

Great video once I got over my anxiety attack when he went through the math. A recommended watch. If he added a stop or two it would take out all of the guess work and sneaking up on the cut,

-- NorthWoodsMan

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