install j3d on macOS

if you don't have right to wirte file or mkdir in /System/Library/Frameworks/JavaVM.framework/Libraries

then, do as following:

1. restart your mac, press command+R for recovery mode
2. open terminal, enter csrutil disable
3. restart mac
4. open terminal, tap 

   sudo -s passwd

   sudo mount -o rw

5. cd /System/Library/Frameworks/JavaVM.framework/ sudo mkdir Libraries
6. cp file dir

download j3d 1.5.2 http://create.ife.no/vr/tools/j3d/java3d_1_5_2-macosx.pkg.zip

install jdk6 on mac

enter the following code on apple script

set theDMG to choose file with prompt "Please select javaforosx.dmg:" of type {"dmg"}

do shell script "hdiutil mount " & quoted form of POSIX path of theDMG

do shell script "pkgutil --expand /Volumes/Java\ for\ macOS\ 2017-001/JavaForOSX.pkg ~/tmp"

do shell script "hdiutil unmount /Volumes/Java\ for\ macOS\ 2017-001/"

do shell script "sed -i '' 's/return false/return true/g' ~/tmp/Distribution"

do shell script "pkgutil --flatten ~/tmp ~/Desktop/ModifiedJava6Install.pkg"

do shell script "rm -rf ~/tmp"

display dialog "Modified ModifiedJava6Install.pkg saved on desktop" buttons {"Ok"}

then, open the jdk6 installer