how to cut perspex by hand

{"cid":"91210141","title":"Clear DIY Custom Cut Perspex Sheet 1mm Plastic Board Cut To Size","imgUrl":"https:\/\/img.chinax.com\/nimg\/1f\/ce\/87b0a251cc03894e981098be195d-200x200-1.jpg","attrs":{"Price":"2.95USD per KG","Brand Name":"XH","Model Number":"XH 00","Minimum Order Quantity":"50pcs","Delivery Time":"7 working days","Certification":"ISO FCC","Place of Origin":"China, Shenzhen","Payment Terms":"T\/T, Western Union","Supply Ability":"50000kg\/per Month","Packaging Details":"1500kg\/Tray","Size":"1220*2440mm,Custom Size","Density":"1.2g\/cm3,","Color":"clear","Sample fee":"Normal A4 size is free, just shipping fee","Process Service":"Custom Cut to Size,laser dot,UV printing","Lead time":"7-10 days after your order"}}

{"cid":"91220221","title":"Forex Plastic Board Hot Selling Perspex PMMA 3mm Cast Pastel Acrylic Sheets","imgUrl":"https:\/\/img.chinax.com\/nimg\/0d\/d4\/43e10d8ad74369519fc8c1bb11c2-200x200-1.jpg","attrs":{"Price":"$2.00\/kilograms 100-999 kilograms","Brand Name":"NIUBAI","Model Number":"PMMA sheet","Minimum Order Quantity":"100 kilograms","Place of Origin":"Chongqing","Certification":"ISO9001 RoHS","Packaging Details":"One sheet packed with both sides PE film or kraft paper
50 sheets in one pallet
Sheets corner protected with paper corner protection
One pallet covered with plastic protection film","Supply Ability":"100000 Kilogram\/Kilograms per Week","Product name":"3mm Cast Pastel Acrylic Sheets","Material":"Acrylic","Thickness":"customized, 2MM-50MM","Size":"1.22m*2.44m.Customized","Processing Service":"Cutting, Cutting","Density":"1.2g\/cm3","Color":"Transparent , White, Blue, Red, Yellow, And So On.","Packing":"Kraft paper or PE film on both sides, then packed with pallet","Feature":"Eco-friendly, Waterproof, Recyclable, Machanical performance","Service":"Custom cut size"}}

{"cid":"91154702","title":"Acrylic hotel supplies","imgUrl":"https:\/\/img.chinax.com\/nimg\/cb\/00\/38d1ad0319ff25f4d23ddb79c714-200x200-1.jpg","attrs":{"Price":"On demand offer our price list","Brand Name":"GRACE","Model Number":"RS","Minimum Order Quantity":"accept small order","Delivery Time":"15-25 day","Place of Origin":"shenzhen","Packaging Details":"1pc\/ bubble bag,then put into carton,filled with foam in each layer and around the carton","Payment Terms":"T\/T,USD$1000, 30% deposit, balance before shipment.","Supply Ability":"100000"}}