I happened upon this great parent-created minecraft site when looking for information on the “fill” command: https://www.digminecraft.com/game_commands/fill_command.php
What’s the point of building something great in Minecraft if you can’t then show it off to the world? Exactly! So we’ve compiled this handy guide to help you take the best screens in every version.
From Minemum: http://minemum.com/FAQ
Why does Minecraft make me seasick?A lot of people get motion sickness when playing 3D games like Minecraft, and vertigo and headaches can also cause problems. Playing in third personand turning off the head bobbing can sometimes help. Some other things that might work are changing eye focus away from the screen regularly, not playing in fullscreen, increasing the frame-rate, taking regular breaks, turning down the display brightness and playing in a well-lit room.