diff --git a/notes/3D printing/Filament.md b/notes/3D printing/Filament.md
index c78d950..16a8156 100644
--- a/notes/3D printing/Filament.md	
+++ b/notes/3D printing/Filament.md	
@@ -48,9 +48,9 @@ It has a warm waxy consistency that no adhesive will stick to.
 
 # PETG/PET-G (Polyethylene terephthalate-glycol)
 
-| Pros                                                                                                        | Cons                                                                                                                                        |
-| ----------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
-| - Tougher<br>- Better temperature resistance<br>- Highly transparent<br>- Very low coefficient of friction. | - Slightly more difficult to print than PLA<br>- Struggles with overhangs<br>- Struggles with support removal<br>- High humidity absorption |
+| Pros                                                                                                                       | Cons                                                                                                                                        |
+| -------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
+| - Tougher<br>- Better temperature resistance<br>- Highly transparent<br>- Very low coefficient of friction.<br>- Food safe | - Slightly more difficult to print than PLA<br>- Struggles with overhangs<br>- Struggles with support removal<br>- High humidity absorption |
 ## Variants
 ### PETG-CF (Carbon Fiber PETG)
 Carbon fiber stabilizes molten filament, and given that PETG struggles with overhangs, PETG-CF has massively improved print support quality, along with improved stiffness. 
@@ -133,9 +133,17 @@ Often called tough PETG or low temp nylon, PA-PETG is meant to serve as both a s
 # Polycarbonate (PC)
 - In the real world, polycarbonate is used to make bulletproof glass. While FDM polycarbonate is not bulletproof, many of the properties of polycarbonate still apply. 
 
-| Pros                                                                                                | Cons                                                                               |
-| --------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------- |
-| - One of the toughest, stiffest filaments<br>- Extremely high temp resistance<br>- Does not shatter | - Extremely high moisture retention<br>- Prints above 300C<br>- Difficult to print |
+| Pros                                                                                                                        | Cons                                                                               |
+| --------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------- |
+| - One of the toughest, stiffest filaments<br>- Extremely high temp resistance<br>- Does not shatter<br>- Highly transparent | - Extremely high moisture retention<br>- Prints above 300C<br>- Difficult to print |
 ## Variants
 ### PC-CF (Carbon Fiber Polycarbonate)
-- Record setting stiffness, prints can withstand hundreds of kilos
\ No newline at end of file
+- Record setting stiffness, prints can withstand hundreds of kilos
+- Will destroy most drive motors
+- Surprisingly cheap (~60USD/kilo at the time of writing)
+### PMMA (Polymethylmethacrylate)
+Also known as acrylic plexiglass, the high transparency of PMMA is the only advantage it has over other polycarbonates for printing.
+
+| Pros                                                                                                                                         | Cons                                                                                                                                                                                                          |
+| -------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| - Highest transparency thermoplastic<br>- Can be buffed to a frosted/polished surface<br>- High UV resistance<br>- Relatively affordable<br> | - Horrible bed adhesion<br>- Bad layer adhesion<br>- High coefficient of thermal expansion leads to constant print failures during or after the printing process<br>- Very brittle<br>- High water absorption |