This is a simple iOS app for calculating seam allowance unit conversion based on standard markings on sewing machines. This app also demonstrates how to create a completely custom control with animations from scratch.
Here's a screencast on how to operate the app:<iframe src="//player.vimeo.com/video/94803169" width="500" height="890" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
purbo-seamcalc is maintained by Mamad Purbo
purbo-seamcalc is available under the GPL v3 license. See the LICENSE file or TLDR for more info.