How to put insert mesh into a roblox character and make yourself invisible?

R15 Mesh inserter script does not work because the Invisible part does not work also I need help with the insert Mesh into lower torso to make it into mesh simply (Be A mesh script). | No filtering enabled Pls | Also if you can make it work with exploits I appreciate it I am new to coding so.. I need help with it to make it perfection

function onTouch(part) 
local human = part.Parent:findFirstChild("Humanoid") 
if human ~= nil then 
part.Parent:findFirstChild("Head").Transparency = 1
part.Parent:findFirstChild("LowerTorso").Transparency = 1
part.Parent:findFirstChild("UpperTorso").Transparency = 1
part.Parent:findFirstChild("LeftFoot").Transparency = 1
part.Parent:findFirstChild("LeftHand").Transparency = 1
part.Parent:findFirstChild("LeftLowerArm").Transparency = 1
part.Parent:findFirstChild("LeftLoverLeg").Transparency = 1
part.Parent:findFirstChild("LeftUpperArm").Transparency = 1
part.Parent:findFirstChild("LeftUpperLeg").Transparency = 1
part.Parent:findFirstChild("RightFoot").Transparency = 1
part.Parent:findFirstChild("RightHand").Transparency = 1
part.Parent:findFirstChild("RightLowerArm").Transparency = 1
part.Parent:findFirstChild("RightLoverLeg").Transparency = 1
part.Parent:findFirstChild("RightUpperArm").Transparency = 1
part.Parent:findFirstChild("RightUpperLeg").Transparency = 1
if part.Parent:findFirstChild("Head"):findFirstChild("face") == nil then return end
part.Parent:finindFirstChild("face"):remove()
if part.Parent:findFirstChild("Torso"):findFirstChild("roblox") == nil then return end
part.Parent:findFirstChild("Torso"):findFirstChild("roblox"):remove()
end 
end