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Knock-out the Background as you Render to Picture in MMD

An MMD Feature Article by KibaSan on LearnMMD.com! (Model in image by mqdl)How do you knock-out the background when you Render to Picture in  MMD?  Can pictures be transparent? How do I save pictures in MMD? How can I do like a Green Screen effect in MMD?


Render to Picture with transparent backgrounds when you use the Black background and save as a PNG. MMD LearnMMD.comKnock-out the Background
from behind your models when you
Render to Picture as a PNG

You may have wondered how people make so many transparent pictures of MMD so easily. This is useful for multiple purposes and gags. You can even replace the background with anything you want!
So How do you do it?Turn on the Black Background.

Step 1- Changing to Black Background

First, you want to change your current background to black. This is a step that is easily forgotten.  To do this go to Background(B), and click on “Black Background(D)” After clicking this you should see a check by it and you will also see, that of course, the background has changed to black! This black background “disappears” when you save the file as a PNG.

Step 2- Turn off Display Coordinate Axis

The next step is too get rid of that pesky green line that shows you where your model is on the map. To do this, go to Turn off the Display Coordinate Grid ... and turn off the shadows, unless you want them in your final picture.View(V) and click “Display Coordinate Axis(G)”. This should UNcheck the box, and you should not see a green line running down the middle, or any boxes on the ground. It is extremely hard to remove this from your picture with editing and you will most probably want to restart the picture.

Step 3-  Ground Shadows

This is an optional step, it depends on what you want in your photos. Ground shadows are essentially just the shadow of the model that would occur in real life if lighting was reflected off of a person. However, if you do not want this in your photo you should take it off before continuing. To do this go to View(V) and click on “Display Ground Shadows(S)” to uncheck it. You should not see a shadow on the ground and the box should be unchecked.Save as a PNG file when you Render to Picture so you can KNock-out the background.

Step 4- Rendering your Picture in PNG form

This is a very important step. If you forget and save it as a bmp file, the background will be black. Firstly, go to File(F) and than “Render to Picture File(B)” Before saving the file it is important that you change the format to .png . You can do so by clicking on the bottom box under what you are naming the picture.


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  1. Yori Yori
    January 11, 2019    

    Can I do this with an AutoLuminous on? Like, is there a way to have a transperent background with AL effect? Cuz I’ve tried, but it renders with a white background..

    • January 11, 2019    

      I just did it and it rendered it with AL and the transparent background. Did you forget to turn the background into black, per chance? Did you use other effects too?

  2. eowyn najwa eowyn najwa
    July 15, 2017    

    why can’t it be transparent if the screen size too big??

    • July 16, 2017    

      What do you mean? I just created a test picture with the size of 3280×1720, and it has transparent background. Are you sure you followed all steps correctly? (Remember, .png, not .jpg)

      • eowyn najwa eowyn najwa
        August 26, 2017    

        Yes i followed the steps correctly, and i put png format on. But whenever i render on size more than 1000 px.. It just has a white background

  3. Trackdancer Trackdancer
    October 17, 2015    

    Actually, the background could be either black or white. It’s the PNG graphic format that causes the background to be transparent.

  4. Ivani Solechii Ivani Solechii
    December 17, 2013    

    In MMD 7.39 you can’t remove the axis for some reason! And that wouldn’t irritate me so much if it didn’t mess up my backgrounds so much, but I can’t use the mmd 8.03 because it won’t open… =-= *needs help*

    • Reggie_Dentmore Reggie_Dentmore
      December 18, 2013    

      To close the axis grid, just uncheck it under the View Menu. Maybe we can help you get MMD 8.03 running. What happens when you open MMD 8.03 … get an error message? What’s it say? Send me an email if you need help ReggieDentmore@aol.com

  5. KibaSan KibaSan
    November 12, 2013    

    Most sites such as Youtube automatically have a black background in their player, so if you upload it will be transparent but it will look like it has a black background.

    I’m not really sure how it will go on videos, but I encourage you to try it :D

    • alexaanyme alexaanyme
      February 27, 2016    

      well…how can you have a transparent background in videos???that will be weird!

      • parkeerwacht parkeerwacht
        February 27, 2016    

        lol yes, thats true… You can`t actually… all video codecs and containers don`t allow that. (At least the ones I know off)

        • WaiseHell WaiseHell
          June 5, 2018    

          The Raw Avi IS transparent if you have the white background on. so yeah videos can have a transparent background. It’s just that when uploaded anywhere it won’t show. But if you’re like me and then convert the avi to picture sequence in premiere then all the frames from the video have transparent background. That’s how you;d make animated sprites for 2D games.

          • Reggie_Dentmore Reggie_Dentmore
            June 5, 2018    

            Awesome info… Thanks!

      • February 27, 2016    

        You may try to use skydomes instead of static backgrounds… they are in essence accessories, so their transparency can be adjusted with Tr setting of AMP panel.

  6. Gamedude03 Gamedude03
    November 11, 2013    

    Is there a way to use this for videos?

    • Reggie_Dentmore Reggie_Dentmore
      November 11, 2013    

      That’s what it’s all about! Search YouTube for MMD … tens of thousands of them!

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