If you wish to edit some parts of the frontend area you can use this little wordpress plugin.
-Make sure you use 3DPrint v3.4.1+
-Download and install the plugin.
-Create a new page in the admin and paste the shortcode created on 3DPrint->Shortcode Generator (compatibility mode option must be enabled)
-Use any editor to edit files located in /wp-content/plugins/3dprint-template folder.