There was an issue with the ShortCodes putting itself before all content in a Page or a Post. I echoed when I should have returned. Sorry for any confusion that may have caused.
All new version of the Instructables plugin for WordPress is out!
This plugin allows you to display Instructables as posts/tiles on your site linking to the projects on Instructables.com. You can display projects by username, group name, keywords, latest or featured.
You can define and save your feeds
You can insert your feeds into Pages and Posts
Then display them as posts
Or Display them as Tiles