Roll Top Backpack
=================

.. only:: html

   .. contents::

.. figure:: roll_top_backpack_front.jpg
   :align: center

Materials
---------

Fabric
^^^^^^

* 1 m outer fabric (e.g. waxed canvas);
* 1 m lining fabric (e.g. lighter canvas);
* 30 cm leather-like material.

Notions
^^^^^^^

* ? 25 mm webbing;
* ? 50 mm webbing;
* 4 50 mm D-rings;
* 2 25 mm D-rings.

Pattern
-------

The pattern is available in the following formats:

:download:`roll_top_backpack.val`
   valentina file where the measurements can be customized;
the latter two formats are based on a finished measurement of 30 cm × 42
cm × 15 cm (width × height × depth) with 1.2 cm left for the zipper.

Instructions
------------

Back preparation
^^^^^^^^^^^^^^^^

.. note:: Optionally add a molle pattern to the back, to be able to
   attach some removable padding.

   Cut 7 pieces of 25 mm webbing as wide as the back (including
   allowances); starting 6.5 cm from the base put them at one webbing
   width of distance from each other over the bottom back piece.

   Mark a line in the center, and lines at every 4 cm on each distance, and
   sew, backstitching over each piece.

   If desired, sew similar pieces of webbing to the lower part of the
   p
   other panels.

Cut 2 pieces of 50 mm webbing 80 cm long, fold them in half and slide
two wide D-rings in each of them. Sew them in place as close to the
D-ring as possible.

Optionally whipstitch or topstitch the edges of the webbing, making them
a single strap of double thickness.

Sew the webbing pieces to the allowance at the top of the bottom back
piece, at 4 cm from the center.

Cut a piece of 25 mm webbing, 70 cm long, sew it to the allowance at the
top of the bottom back piece, right at the center.

[cut 25 mm webbing for the lower part of the shoulder straps, TBD]

Cut two pieces of 25 mm webbing, 70 cm long, put them on each strap
support so that one edge goes from one corner to the middle of the long
side and there are 5 cm of webbing beyond the long side.

Fold the strap support in half, right sides facing, and sew at 1 cm from
the long edge.

Turn inside out, topstitch all around the webbing.

Put the strap support on top of the bottom back, 5 cm from the bottom,
with the webbing facing up, and sew in the allowance.

Trim the excess webbing.

Right sides together, put the top back piece over the bottom back and
sew. Press the allowances up.

Front preparation
^^^^^^^^^^^^^^^^^

Cut 10 cm of 25 mm webbing, put two D-rings in it, fold it in half and
sew as close to the rings as possible.

Optionally whipstitch the two sides.

Put it in the center of the front piece, in such a way that the top
of the D-rings aligns just below the level of the seam in the back.

Sew a 2 cm × 2 cm square at the bottom of the webbing, plus diagonals
for strenght.

Put the webbing cover so that it covers the square seam and the raw ends
of the webbing, and appliquestitch it in place.

Structure
^^^^^^^^^

Put the back over the back lining, wrong sides together, alinging it at
the bottom edge, centering it between the side edges so that there is 1
cm of lining excess on each side, and making sure that at the top the
back is 2 cm longer than the lining.

Put one side lining on top of one side, aligned at the bottom and with 2
cm of excess side compared to the lining.

Put the side on top of the back, outer / fabric sides together, aligning
the side of the side with that of the back outer.

Sew the side seam at 2 cm from the back lining edge (i.e. 1 cm from
every other edge).

Press the seam open, then press the allowance of the back lining in
half, press the seam towards the side and fell.

With the body still inside out, put the outer base on the base lining,
wrong sides together, so that the outer is centered on the lining.
Starting from the corners put the base in the body, aligning the edges of
the body with the edge of the outer base and taking care to keep the
corners neat. Sew at 2 cm from the base lining edge.

[sew the base, also flatlining, fell the seam]

[hem the top]

[hem the straps]