I wanted to share my pattern and sewing instructions for a box underquilt, which was inspired by (though different than) the boxed corners on an underquilt that Caminante recently made (https://www.hammockforums.net/forum/...ghlight=corner).
While I made this underquilt for Leiavoia's clew suspension neo-retro-innovation in hammock underquilt design (https://www.hammockforums.net/forum/...lew+underquilt), boxing the quilt is a universal technique and could apply to a conventional underquilt suspension (including a quilt with a secondary suspension). I can easily see swapping out the clew attachment points for fabric channels on all 4 sides to accommodate shock cord.
Why box an underquilt? By including a side wall and box to the underquilt, the Climashieled Apex insulation is not pinched at the edges and is able to loft out and not get squished, avoiding problems with compression. Because the suspension is attached to the upper part of the box (between the lining and the side wall), the insulation and shell fabric are secure to the suspension. Boxing the corners on a quilt with side walls is easy and can be accomplished by a novice.
I made this underquilt using 6.0 oz Climashield Apex insulation, which has a 2" loft. If using insulation that is thicker or thinner, adjust the height of the side-walls accordingly (remember to include the seam allowance).
Pattern and detailed instructions:
http://jellyfishreport.blogspot.com/...s-for-box.html
Refer to these links for more information on this project:
- Leiavoia's blog post: http://www.leiavoia.net/pages/hammock/levquilt.html
- Leiavoia's hammockforums post: https://www.hammockforums.net/forum/...lew+underquilt
- Derek Hansen's blog post on the clew suspension: http://theultimatehang.com/2013/01/w...clew-tutorial/
- Derek Hansen's youtube video on the clew suspension: https://youtu.be/L5M-1M6WsvM
- My blog post on how to weave the clew suspension with shock cord for the underquilt: http://jellyfishreport.blogspot.com/...nderquilt.html
- My sleep report with troubleshooting the suspension http://jellyfishreport.blogspot.com/...uilt-with.html
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