$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

How to Install Synfig Studio on GNU/Linux Distros

GNU/Linux Installing Synfig Studio Guide

How to Download and Install Synfig Studio on GNU/Linux desktops – Step by step Tutorials.

And Synfig Studio is a Free and Open-Source 2D Animation Software, designed as powerful industrial-strength solution for creating Film-quality animation using a Vector & Bitmap Artwork.

It eliminates the need to create animation Frame-by Frame, allowing you to produce 2D Animation of a higher quality with fewer People and Resources.

How to Install Synfig Studio on GNU/Linux Distros

GNU/Linux Synfig Studio App Installation Guide