ShulkerViewer

Render > ShulkerViewer allows you to inspect contents of shulkers while in your inventory, without placing and opening them.

Default key: LEFT SHIFT - can be changed in Minecraft Controls

.shulkerviewer enabled <0/1>

.shulkerviewer help-text <0/1> - shows help text in the bottom of your screen (default: 1)

.shulkerviewer toggle-lock <0/1> - if enabled, pressing the key once will lock the preview in place. if disabled, you need to hold down the key to see the preview (default: 0)

.shulkerviewer tooltip-opacity <0-255> - opacity of Shulker GUI (default: 200 = 78%)

.shulkerviewer locked-opacity <0-255> - opacity of Shulker GUI while locked in place

.shulkerviewer x-offset <num> - X-offset for the tool tip (default: 8)

.shulkerviewer y-offset <num> - Y-offset for the tool tip (default: 0)