| Project by BritBoxmaker | posted 1145 days ago | 3301 views | 20 times favorited | 21 comments | ![]() |
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Just thought I’d post this jig, for clamping triangular glue-ups. As you can see its the one I used on the box tops for the Kaleidascope boxes.
It consists of two pieces of Sapele, re-used from an earlier mitre sawing jig, with their ends cut at 30 degrees.
Giving an included angle of 60 degrees. These are screwed to a piece of 12mm MDF and cross screwed to each other at the sharp end (to avoid them seperating). The end 2 or 3 cm of the whole assembly is then sawn off at 90 degrees giving a flat for the hand-clamp to sit on. The back end of the hand clamp sits on another piece of scrap MDF, spreading the clamping pressure on the glue-up evenly.
Martyn
-- Martyn -- Boxologist, Pattern Juggler and Candyman of the visually challenging. http://www.theartofboxes.com
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21 comments so far
Jason
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636 posts in 1705 days
#1 posted 1145 days ago
Excellent jig Martyn. Thanks for the info.
-- Jason - Colorado Springs
patron
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12166 posts in 1537 days
#2 posted 1145 days ago
martyn ,
once again with good help .
i do this to when needed for star bursts ,
if the parts don’t come toghether here ,
by the time it magnifies around the circle ,
it’s way out !
thanks .
-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle
BritBoxmaker
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4054 posts in 1233 days
#3 posted 1145 days ago
David
Do you clamp up to 90 degrees then or just 45 or so? Only reason I ask is that I was going to try 90 degrees but was afraid that the pressure on the glue-up would not be even enough.
Martyn
-- Martyn -- Boxologist, Pattern Juggler and Candyman of the visually challenging. http://www.theartofboxes.com
jm82435
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1217 posts in 1938 days
#4 posted 1145 days ago
Ah, A little of the magic is revealed…
-- A thing of beauty is a joy forever...
lumberdustjohn
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1167 posts in 1363 days
#5 posted 1145 days ago
Nice post.
Thanks
-- Safety first because someone needs you.
patron
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12166 posts in 1537 days
#6 posted 1145 days ago
usually to 90 ,




then 180 ,
270 ,
360 .
i don’t ‘pressure clamp’ them ,
but use the arm to ’ radius ’ them to the right place ,
then bevel bottom stops (removable later ) ,
to hold them there till glue is set .
you can tap them around until all are in place ,
if you have some slower setting glue .
-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle
michelletwo
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1799 posts in 1212 days
#7 posted 1145 days ago
thanks for sharing this..super
-- We call the destruction of replaceable human made items vandalism, while the destruction of irreplaceable natural resources is called development.
Cozmo35
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2141 posts in 1232 days
#8 posted 1145 days ago
You guys are brilliant! WOW! I feel like an idiot after lookign at these. THANKS FOR POSTING!
-- If you don't work, you don't eat!.....Garland, TX
BritBoxmaker
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4054 posts in 1233 days
#9 posted 1145 days ago
Thanks David. Like all good ideas. Simple but effective.
Cozmo, don’t feel bad. Ignorance means you just haven’t seen something yet.
Experience is best when its shared.
-- Martyn -- Boxologist, Pattern Juggler and Candyman of the visually challenging. http://www.theartofboxes.com
BritBoxmaker
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4054 posts in 1233 days
#10 posted 1145 days ago
By the way this jig also works for the Tapezoidal box tops in ‘Vanishing Point’ but you need a triangular blanking piece at the narrow end of the design, when clamping.
-- Martyn -- Boxologist, Pattern Juggler and Candyman of the visually challenging. http://www.theartofboxes.com
stefang
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9725 posts in 1531 days
#11 posted 1145 days ago
Seeing work like this makes me think I need a new tool, namely a better quality, larger brain. If I find one, I will do a review on it. Thanks for sharing your secrets with us.
-- Mike, American in Norway
jm82435
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1217 posts in 1938 days
#12 posted 1145 days ago
yikes
-- A thing of beauty is a joy forever...
BritBoxmaker
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4054 posts in 1233 days
#13 posted 1145 days ago
quite
-- Martyn -- Boxologist, Pattern Juggler and Candyman of the visually challenging. http://www.theartofboxes.com
degoose
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#14 posted 1145 days ago
So simple yet so effective… as are all things once you think them through.
I thank you for sharing your ideas and jigs..
I have a similar set up for hextagonal boards….ie for tumbling block trevits etc.
-- Drink twice... and don't bother to cut... @ lazylarrywoodworks.com.au For lovers of all things timber...
Kent Shepherd
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2693 posts in 1483 days
#15 posted 1145 days ago
Good idea
Thanks
-- She thought I hung the moon--now she just thinks I did it wrong
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